Inventor · disambiguated record
Kiyoshi Tsuji
Also filed as: TSUJI KIYOSHI
67 granted patents·2 pending applications·2,560 citations·filing 1978–2008
99Inventor score
Files withFUJISAWA PHARMACEUTICAL CO39OLYMPUS OPTICAL CO21OLYMPUS CORP3ASTELLAS PHARMA INC2MITSUBISHI CHEMICAL AGRI INC1
Top patents by PatentIndex Score
69 records- 0198US5134142APyrazole derivatives, and pharmaceutical composition comprising the sameFUJISAWA PHARMACEUTICAL CO·Filed 1990·Granted Jul 28, 1992·284 cites·9 claims
- 0297US5220198ASolid state imaging apparatus in which a solid state imaging device chip and substrate are face-bonded with each otherOLYMPUS OPTICAL CO·Filed 1991·Granted Jun 15, 1993·267 cites·29 claims
- 0393US4294960A7-[2-(2-Aminothiazol-4-yl)-2-cyclopentyloxyiminoacetamido]-3-cephem-4-carboxylic acid (synisomer)FUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Oct 13, 1981·17 cites·1 claims
- 0492US4884134AVideo endoscope apparatus employing device shutterOLYMPUS OPTICAL CO·Filed 1988·Granted Nov 28, 1989·83 cites·32 claims
- 0592US4882619AHigh resolution image pickup system with color dispersion meansOLYMPUS OPTICAL CO·Filed 1987·Granted Nov 21, 1989·75 cites·5 claims
- 0691US6319197B1Endoscope system having reduced noise emission/permeationOLYMPUS OPTICAL CO·Filed 1997·Granted Nov 20, 2001·134 cites·4 claims
- 0791US5412478AEndoscope system which changes over switches in interlocking relation to each other within video processor and image display apparatus to perform display of endoscope imageOLYMPUS OPTICAL CO·Filed 1993·Granted May 2, 1995·120 cites·31 claims
- 0891US4803550AImaging apparatus having illumination meansOLYMPUS OPTICAL CO·Filed 1988·Granted Feb 7, 1989·86 cites·13 claims
- 0991US4425341ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Jan 10, 1984·23 cites·51 claims
- 1090US5550147APyrazole derivatives, processes for preparation thereof and pharmaceutical composition comprising the sameFUJISAWA PHARMACEUTICAL CO·Filed 1995·Granted Aug 27, 1996·42 cites·4 claims
- 1190US4797399APiperazine compounds and antithrombotic pharmaceutical composition comprising the sameFUJISAWA PHARMACEUTICAL CO·Filed 1986·Granted Jan 10, 1989·59 cites·6 claims
- 1290US4284631A7-Substituted cephem compounds and pharmaceutical antibacterial compositions containing themFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Aug 18, 1981·29 cites·27 claims
- 1389US5571810AThiophene derivativesFUJISAWA PHARMACEUTICAL CO·Filed 1995·Granted Nov 5, 1996·48 cites·8 claims
- 1489US5335662AImage pickup system comprising signal processing device which uses exclusive adaptor in probes different in image pickup system from each otherOLYMPUS OPTICAL CO·Filed 1993·Granted Aug 9, 1994·95 cites·71 claims
- 1588US4496562A7-Substituted-3-cephem-4-carboxylic acid estersFUJISAWA PHARMACEUTICAL CO·Filed 1982·Granted Jan 29, 1985·18 cites·6 claims
- 1687US5543831AEndoscope system having reduced noise emission/permeationOLYMPUS OPTICAL CO·Filed 1993·Granted Aug 6, 1996·73 cites·5 claims
- 1787US4993405AImaging apparatusOLYMPUS OPTICAL CO·Filed 1990·Granted Feb 19, 1991·126 cites·17 claims
- 1887US4443443ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Apr 17, 1984·15 cites·20 claims
- 1986US4866091AAlkanesulfonanilide derivatives, processes for preparation thereof and pharmaceutical composition comprising the sameFUJISAWA PHARMACEUTICAL CO·Filed 1988·Granted Sep 12, 1989·22 cites·18 claims
- 2085US4463002ASyn-isomers of 7-substituted-3-cephem-4-carboxylic acid estersFUJISAWA PHARMACEUTICAL CO·Filed 1982·Granted Jul 31, 1984·24 cites·5 claims
- 2185US4409217ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1980·Granted Oct 11, 1983·15 cites·3 claims
- 2283US5068719AEndoscope photometric apparatusOLYMPUS OPTICAL CO·Filed 1990·Granted Nov 26, 1991·59 cites·15 claims
- 2383US4698337ACephem compounds and processes for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1986·Granted Oct 6, 1987·17 cites·12 claims
- 2482US8038605B2Bending control deviceOLYMPUS CORP·Filed 2007·Granted Oct 18, 2011·11 cites·21 claims
- 2581US5258834AElectronic endoscope for producing a color image by extracting a plurality of field picture images in one field period without changing a horizontal clock rateOLYMPUS OPTICAL CO·Filed 1991·Granted Nov 2, 1993·54 cites·21 claims
- 2680US8029438B2Endoscope and hydrophilic capOLYMPUS MEDICAL SYSTEMS CORP·Filed 2008·Granted Oct 4, 2011·22 cites·9 claims
- 2780US4643991APeptide elastase inhibitors and methodsUNIV KENTUCKY RES FOUND·Filed 1984·Granted Feb 17, 1987·37 cites·30 claims
- 2880US4464369A7-Acylamino-3-cephem-4-carboxylic acid derivatives and pharmaceutical compositionsFUJISAWA PHARMACEUTICAL CO·Filed 1982·Granted Aug 7, 1984·18 cites·19 claims
- 2978US5049989AMethod and circuit for reducing the influence of a bright image area in an endoscope image signalOLYMPUS OPTICAL CO·Filed 1990·Granted Sep 17, 1991·45 cites·33 claims
- 3078US4923998ACephem and cepham compounds and processes for preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted May 8, 1990·10 cites·22 claims
- 3176US4860091AVideo image processing apparatus for emphasizing color of an image by enhancing saturationOLYMPUS OPTICAL CO·Filed 1989·Granted Aug 22, 1989·24 cites·6 claims
- 3275US4868646AImage pickup apparatus for an electronic endoscopeOLYMPUS OPTICAL CO·Filed 1988·Granted Sep 19, 1989·28 cites·12 claims
- 3375US4427674ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Jan 24, 1984·8 cites·44 claims
- 3474US5291010ASolid state imaging device having a chambered imaging chip cornerOLYMPUS OPTICAL CO·Filed 1991·Granted Mar 1, 1994·165 cites·25 claims
- 3573US6596738B1Heterocyclic compound, composition and method for inhibiting adenosine deaminaseFUJISAWA PHARMACEUTICAL CO·Filed 2000·Granted Jul 22, 2003·9 cites·27 claims
- 3672US5670533APyrazole derivatives, processes for preparation thereof and pharmaceutical composition comprising the sameFUJISAWA PHARMACEUTICAL CO·Filed 1995·Granted Sep 23, 1997·13 cites·4 claims
- 3770US6908940B2Imidazole compounds and their use as adenosine deaminase inhibitorsFUJISAWA PHARMACEUTICAL CO·Filed 2001·Granted Jun 21, 2005·4 cites·13 claims
- 3869US4372952ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1981·Granted Feb 8, 1983·6 cites·11 claims
- 3968US5402769AEndoscope apparatus which time-sequentially transmits sensor signals with image signals during a blanking periodOLYMPUS OPTICAL CO·Filed 1993·Granted Apr 4, 1995·124 cites·9 claims
- 4067US4460583ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1982·Granted Jul 17, 1984·5 cites·28 claims
- 4165US7837616B2Endoscope,system, and method for detecting relative position of endoscope and markers placed at target areaOLYMPUS CORP·Filed 2006·Granted Nov 23, 2010·3 cites·42 claims
- 4263US4814859AVideo image processing apparatus for emphasizing color of an image by expanding hue and saturationOLYMPUS OPTICAL CO·Filed 1987·Granted Mar 21, 1989·14 cites·7 claims
- 4362US5034417ANew alkanesulfonanilide derivatives, processes for preparation thereof and pharmaceutical composition comprising the sameFUJISAWA PHARMACEUTICAL CO·Filed 1988·Granted Jul 23, 1991·10 cites·14 claims
- 4461US4563522ACephem compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1983·Granted Jan 7, 1986·2 cites·10 claims
- 4560US5010395ASolid state imaging apparatusOLYMPUS OPTICAL CO·Filed 1989·Granted Apr 23, 1991·15 cites·5 claims
- 4659US5430475AElectronic endoscope apparatus having micro array on photoelectric conversion surfaceOLYMPUS OPTICAL CO·Filed 1994·Granted Jul 4, 1995·88 cites·21 claims
- 4758US4242510ACephalosporin compounds and processes for the preparation thereofFUJISAWA PHARMACEUTICAL CO·Filed 1978·Granted Dec 30, 1980·3 cites·21 claims
- 4857US6359145B1Imidazole compoundsFUJISAWA PHARMACEUTICAL CO·Filed 1999·Granted Mar 19, 2002·17 cites·11 claims
- 4957US4860095AVideo camera apparatus and video endoscope apparatus with means for compensating image errors caused by differing cable lengthsOLYMPUS OPTICAL CO·Filed 1988·Granted Aug 22, 1989·49 cites·36 claims
- 5053US5583135AHeterotricyclic derivatives, process for their preparation and pharmaceutical compositions containing themFUJISAWA PHARMACEUTICAL CO·Filed 1993·Granted Dec 10, 1996·9 cites·9 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kiyoshi Tsuji files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →