Inventor · disambiguated record
Masaaki Nakazawa
Also filed as: NAKAZAWA MASAAKI
20 granted patents·1 pending application·4,183 citations·filing 1986–2021
97Inventor score
Top patents by PatentIndex Score
21 records- 0198US6786864B2Endoscopic system and method for positioning an indwelling tubeOLYMPUS CORP·Filed 2002·Granted Sep 7, 2004·1.7k cites·13 claims
- 0297US4918521ASolid state imaging apparatusOLYMPUS OPTICAL CO·Filed 1988·Granted Apr 17, 1990·254 cites·12 claims
- 0393US6991602B2Medical treatment method and apparatusOLYMPUS CORP·Filed 2002·Granted Jan 31, 2006·370 cites·33 claims
- 0478US4805618AOviduct closing apparatusOLYMPUS OPTICAL CO·Filed 1988·Granted Feb 21, 1989·113 cites·7 claims
- 0576US5707344AEndoscopeOLYMPUS OPTICAL CO·Filed 1996·Granted Jan 13, 1998·199 cites·17 claims
- 0676US5507717ADevice for bending the insertion section of an endoscopeOLYMPUS OPTICAL CO·Filed 1994·Granted Apr 16, 1996·193 cites·23 claims
- 0776US4794913ASuction control unit for an endoscopeOLYMPUS OPTICAL CO·Filed 1987·Granted Jan 3, 1989·144 cites·8 claims
- 0875US5569157AEndoscopeOLYMPUS OPTICAL CO·Filed 1994·Granted Oct 29, 1996·170 cites·15 claims
- 0975US5078144ASystem for applying ultrasonic waves and a treatment instrument to a body partOLYMPUS OPTICAL CO·Filed 1989·Granted Jan 7, 1992·124 cites·3 claims
- 1071US5702347AEndoscope system including endoscope and disposable protection coverOLYMPUS OPTICAL CO·Filed 1996·Granted Dec 30, 1997·150 cites·6 claims
- 1169US5876326AElectronic endoscope with grounded spirally-wound lead wiresOLYMPUS OPTICAL CO·Filed 1995·Granted Mar 2, 1999·162 cites·9 claims
- 1266US4736732AEndoscopic fluid changing deviceOLYMPUS OPTICAL CO·Filed 1986·Granted Apr 12, 1988·105 cites·16 claims
- 1361US5735793AEndoscopeOLYMPUS OPTICAL CO·Filed 1996·Granted Apr 7, 1998·102 cites·29 claims
- 1459US5871441AEndoscope capable of manipulation soon after autoclavingOLYMPUS OPTICAL CO·Filed 1995·Granted Feb 16, 1999·92 cites·9 claims
- 1552US6110104AEndoscope system having an endoscope capable of being guided into an endoscope coverOLYMPUS OPTICAL CO·Filed 1998·Granted Aug 29, 2000·53 cites·12 claims
- 1652US5402770AEndoscope pipeline controlling apparatus and endoscope systemOLYMPUS OPTICAL CO·Filed 1994·Granted Apr 4, 1995·48 cites·12 claims
- 1750US5863286AEndoscope system including endoscope and disposable protection coverOLYMPUS OPTICAL CO·Filed 1993·Granted Jan 26, 1999·43 cites·5 claims
- 1849US5343855AEndoscope pipeline controlling apparatus and endoscope systemOLYMPUS OPTICAL CO·Filed 1991·Granted Sep 6, 1994·42 cites·26 claims
- 1948US5879288AEndoscope system including both reusable-type and cover-type endoscopesOLYMPUS OPTICAL CO·Filed 1996·Granted Mar 9, 1999·45 cites·5 claims
- 2046US5749829AEndoscope systemOLYMPUS OPTICAL CO·Filed 1996·Granted May 12, 1998·46 cites·19 claims
- 2143US2024071492A1Control device, storage device, semiconductor device, and control methodSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →