Inventor · disambiguated record
Takao Kawamura
Also filed as: ISHIBITSU KOKICHI · KAWAMURA TAKAO · SAKAMOTO HIROSHI
55 granted patents·2 pending applications·1,194 citations·filing 1971–2014
99Inventor score
Top patents by PatentIndex Score
57 records- 0197US4945282AImage display panel having antistatic film with transparent and electroconductive properties and process for processing sameHITACHI LTD·Filed 1988·Granted Jul 31, 1990·97 cites·36 claims
- 0296US5742118AUltrafine particle film, process for producing the same, transparent plate and image display plateHITACHI LTD·Filed 1994·Granted Apr 21, 1998·125 cites·15 claims
- 0394US7080442B2Manufacturing method of acoustic sensorHOSIDEN ELECTRONICS CO·Filed 2002·Granted Jul 25, 2006·69 cites·2 claims
- 0493US5189337AUltrafine particles for use in a cathode ray tube or an image display face plateHITACHI LTD·Filed 1989·Granted Feb 23, 1993·61 cites·14 claims
- 0592US4491626APhotosensitive memberMINOLTA CAMERA KK·Filed 1983·Granted Jan 1, 1985·40 cites·7 claims
- 0689US4451546APhotosensitive memberMINOLTA CAMERA KK·Filed 1983·Granted May 29, 1984·31 cites·4 claims
- 0788US5291097ACathode-ray tubeHITACHI LTD·Filed 1991·Granted Mar 1, 1994·54 cites·9 claims
- 0887US6629429B1RefrigeratorMATSUSHITA REFRIGERATION·Filed 1999·Granted Oct 7, 2003·86 cites·40 claims
- 0986US6826382B2Heat plate, heating element, belt type fixing device and image forming apparatusKAWAMURA TAKAO·Filed 2002·Granted Nov 30, 2004·25 cites·7 claims
- 1085US7109441B2Heat plate, heating element, belt type fixing device and image forming apparatusFUJI XEROX CO LTD·Filed 2005·Granted Sep 19, 2006·10 cites·8 claims
- 1182US4624906AElectrophotographic sensitive member having a fluorinated amorphous silicon photoconductive layerKYOCERA CORP·Filed 1984·Granted Nov 25, 1986·22 cites·12 claims
- 1281US6987245B2Heat plate, heating element, belt type fixing device and image forming apparatusFUJI XEROX CO LTD·Filed 2004·Granted Jan 17, 2006·20 cites·2 claims
- 1380US5818155ACathode ray tube having a small-diameter neck and method of manufacture thereofHITACHI LTD·Filed 1995·Granted Oct 6, 1998·30 cites·37 claims
- 1479USRE37183EImage display panel having antistatic film with transparent and electroconductive properties and process for processing sameHITACHI LTD·Filed 1997·Granted May 22, 2001·29 cites·66 claims
- 1578US7204009B2Manufacturing method of acoustic sensorHOSIDEN ELECTRONICS CO·Filed 2005·Granted Apr 17, 2007·7 cites·1 claims
- 1678US5216321AShadow-mask type color cathode-ray tubeHITACHI LTD·Filed 1989·Granted Jun 1, 1993·22 cites·16 claims
- 1776US6289198B1Quick heat rollerDAIKEN CHEMICAL CO LTD·Filed 1999·Granted Sep 11, 2001·26 cites·6 claims
- 1876US5396148AUltrafine particles, their production process and their useHITACHI LTD·Filed 1992·Granted Mar 7, 1995·29 cites·9 claims
- 1974US5122709AAntistatic cathode ray tube with lobe like projections and high gloss and hardnessHITACHI LTD·Filed 1990·Granted Jun 16, 1992·39 cites·4 claims
- 2072US4666808AAmorphous silicon electrophotographic sensitive memberKYOCERA CORP·Filed 1984·Granted May 19, 1987·14 cites·1 claims
- 2171US5612128AUltra fine particles having uneven surfaces and treatment plate using sameHITACHI LTD·Filed 1994·Granted Mar 18, 1997·23 cites·12 claims
- 2271US5256513AElectroconductive magnetic carrier, developer using the same and image formation methodKYOCERA CORP·Filed 1991·Granted Oct 26, 1993·15 cites·34 claims
- 2370US5523647AColor cathode ray tube having improved slot type shadow maskHITACHI LTD·Filed 1994·Granted Jun 4, 1996·23 cites·10 claims
- 2469US5880557ATransparent plate, process for the production thereof and their applied screen display plate, and cathode ray tube and process for the production thereofHITACHI LTD·Filed 1997·Granted Mar 9, 1999·18 cites·10 claims
- 2568US4213030ASilicon-semiconductor-type thermal headKYOTO CERAMIC·Filed 1977·Granted Jul 15, 1980·12 cites·9 claims
- 2665US5318873AElectroconductive magnetic carrier, developer using the same and image formation methodKYOCERA CORP·Filed 1993·Granted Jun 7, 1994·13 cites·10 claims
- 2765US4220891ADirectly heated cathode for electron tubeHITACHI LTD·Filed 1979·Granted Sep 2, 1980·10 cites·6 claims
- 2864US4251746ADirect-heated cathode structureHITACHI LTD·Filed 1979·Granted Feb 17, 1981·11 cites·11 claims
- 2963US4291252AElectron tube cathodeHITACHI LTD·Filed 1979·Granted Sep 22, 1981·9 cites·8 claims
- 3061US4997736ALayered electrophotographic sensitive member comprising amorphous silicon carbideKYOCERA CORP·Filed 1989·Granted Mar 5, 1991·12 cites·4 claims
- 3160US4489149AElectrophotographic amorphous silicon memberMINOLTA CAMERA KK·Filed 1983·Granted Dec 18, 1984·10 cites·6 claims
- 3259US4273683AOxide cathode and process for production thereofHITACHI LTD·Filed 1978·Granted Jun 16, 1981·13 cites·13 claims
- 3358US9522250B2Hydrogen-rich gas mixture breathing systemKAWAMURA TAKAO·Filed 2014·Granted Dec 20, 2016·1 cites·13 claims
- 3457US5959737AFrame feeding apparatus and automatic sheet thickness detection apparatusNIKKISO CO LTD·Filed 1998·Granted Sep 28, 1999·16 cites·3 claims
- 3555US4820268ATransfusion apparatusNIKKISO CO LTD·Filed 1987·Granted Apr 11, 1989·65 cites·4 claims
- 3654US5106711AElectrophotographic sensitive memberKYOCERA CORP·Filed 1989·Granted Apr 21, 1992·9 cites·6 claims
- 3754US4409311APhotosensitive memberMINOLTA CAMERA KK·Filed 1982·Granted Oct 11, 1983·18 cites·5 claims
- 3849US4882252AElectrophotographic sensitive member with amorphous silicon carbideKYOCERA CORP·Filed 1988·Granted Nov 21, 1989·8 cites·15 claims
- 3948US5138461AImplosion-protected cathode-ray tubeHITACHI LTD·Filed 1989·Granted Aug 11, 1992·6 cites·3 claims
- 4047US2006027946A1Producing method for air bagTK INC·Filed 2004·Application pending·0 cites
- 4144US5641942AWaterproof construction of wiring harnessSUMITOMO WIRING SYSTEMS·Filed 1994·Granted Jun 24, 1997·16 cites·16 claims
- 4244US4675264AElectrophotographic sensitive member with amorphous Si barrier layerKYOCERA CORP·Filed 1986·Granted Jun 23, 1987·5 cites·28 claims
- 4344US3931540AShadow mask assemblyHITACHI LTD·Filed 1971·Granted Jan 6, 1976·4 cites·3 claims
- 4442US6246161B1Cathode ray tube having a small-diameter neck and method of manufacture thereofHITACHI LTD·Filed 1998·Granted Jun 12, 2001·4 cites·21 claims
- 4540US4826748AElectrophotographic sensitive memberKYOCERA CORP·Filed 1987·Granted May 2, 1989·4 cites·9 claims
- 4640US4337412ACathode device for cathode-ray tubeHITACHI LTD·Filed 1980·Granted Jun 29, 1982·3 cites·5 claims
- 4737US5904418AAutomatic kneading apparatus and fallen material returning apparatusNIKKISO CO LTD·Filed 1995·Granted May 18, 1999·6 cites·4 claims
- 4833US4585311ALiquid crystal device having interdigitated electrodesKYOCERA CORP·Filed 1983·Granted Apr 29, 1986·6 cites·8 claims
- 4932US6140757AColor cathode-ray tube (CRT) and method of producing the sameHITACHI LTD·Filed 1994·Granted Oct 31, 2000·1 cites·14 claims
- 5032US5707685AProcess for forming ultrafine particle film, transparent plate and image display plateHITACHI LTD·Filed 1993·Granted Jan 13, 1998·2 cites·24 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →