Inventor · disambiguated record
Kenji Kawashima
Also filed as: KAWASHIMA KENJI
18 granted patents·7 pending applications·220 citations·filing 1985–2022
93Inventor score
Files withTOKYO INST TECH8SONY INTERACTIVE ENTERTAINMENT INC5KAWASHIMA KENJI4YAMADA MFG CO LTD2DEV CORP OF JAPAN1
Top patents by PatentIndex Score
25 records- 0193US12090392B2Operation input device and button driving unitSONY INTERACTIVE ENTERTAINMENT INC·Filed 2020·Granted Sep 17, 2024·3 cites·18 claims
- 0288US10184606B2Camera, stand, and camera unit having camera and standSONY INTERACTIVE ENTERTAINMENT INC·Filed 2017·Granted Jan 22, 2019·5 cites·14 claims
- 0388US5844720APrism sheetGOYO PAPER WORKING CO LTD·Filed 1995·Granted Dec 1, 1998·126 cites·4 claims
- 0485US11806614B2Manipulation input deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2022·Granted Nov 7, 2023·1 cites·9 claims
- 0576US9814480B2Forceps manipulator and forceps system comprising forceps manipulatorTOKYO INST TECH·Filed 2013·Granted Nov 14, 2017·10 cites·5 claims
- 0673US9279507B2Three-port valveTOKYO INST TECH·Filed 2013·Granted Mar 8, 2016·4 cites·4 claims
- 0773US4658795AGasoline vapor capture and combustion systemYAMAHA MOTOR CO LTD·Filed 1985·Granted Apr 21, 1987·24 cites·8 claims
- 0870US5020066ASurface-emitting-type semiconductor laser deviceDEV CORP OF JAPAN·Filed 1989·Granted May 28, 1991·22 cites·20 claims
- 0969US8700213B2Maneuvering system having inner force sense presenting functionKAWASHIMA KENJI·Filed 2008·Granted Apr 15, 2014·7 cites·11 claims
- 1068US8897916B2Maneuvering system having inner force sense presenting functionKAWASHIMA KENJI·Filed 2013·Granted Nov 25, 2014·5 cites·10 claims
- 1162US9091605B2Force calculating systemKAWASHIMA KENJI·Filed 2012·Granted Jul 28, 2015·3 cites·3 claims
- 1258US11439897B2Manipulation input deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2019·Granted Sep 13, 2022·0 cites·19 claims
- 1356US12370435B2Input deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2021·Granted Jul 29, 2025·0 cites·5 claims
- 1454US10288066B2Oil pump with sloping extension portion between dischargeYAMADA MFG CO LTD·Filed 2016·Granted May 14, 2019·0 cites·4 claims
- 1554US8195336B2Pressure regulatorKAWASHIMA KENJI·Filed 2007·Granted Jun 5, 2012·1 cites·26 claims
- 1652US2014222208A1Maneuvering system having inner force sense presenting functionTOKYO INST TECH·Filed 2014·Application pending·0 cites
- 1752US2014222204A1Maneuvering system having inner force sense presenting functionTOKYO INST TECH·Filed 2014·Application pending·0 cites
- 1846US2022307393A1Scavenging pumpYAMADA MFG CO LTD·Filed 2021·Application pending·0 cites
- 1943US2015342442A1Endoscope operation systemTOKYO INST TECH·Filed 2013·Application pending·0 cites
- 2043US2016037998A1Endoscopic Operating System and Endoscopic Operation ProgramTOKYO INST TECH·Filed 2013·Application pending·0 cites
- 2143US2015148594A1Endoscope operation systemTOKYO INST TECH·Filed 2013·Application pending·0 cites
- 2242US5236864AMethod of manufacturing a surface-emitting type semiconductor laser deviceJAPAN RES DEV CORP·Filed 1992·Granted Aug 17, 1993·9 cites·19 claims
- 2336US10675047B2Forceps systemUNIV NAT CORP TOKYO MEDICAL & DENTAL·Filed 2016·Granted Jun 9, 2020·0 cites·4 claims
- 2432US7437910B2Pressure differentiator fitted with a temperature equalizing materialTOKYO INST TECH·Filed 2004·Granted Oct 21, 2008·0 cites·16 claims
- 2532US2013206671A1Water Electrolysis Treatment DeviceOHIRA TOMONORI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →