KK

Kenji Kawashima

TT Tokyo Institute Of Technology: 9 patents #19 of 1,159Top 2%
SO Sony: 5 patents #7,785 of 25,231Top 35%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
RJ Research Development Corporation Of Japan: 1 patents #170 of 402Top 45%
YC Yamada Manufacturing Co.: 1 patents #83 of 164Top 55%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
GC Goyo Paper Working Co.: 1 patents #8 of 17Top 50%
TC Toray Engineering Co.: 1 patents #46 of 169Top 30%
Overall (All Time): #247,369 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12370435 Input device Masaho Morita 2025-07-29
12090392 Operation input device and button driving unit Masaho Morita, Ryo Fukikoshi, Takeshi Igarashi 2024-09-17
11806614 Manipulation input device Ryo Fukikoshi, Masaho Morita 2023-11-07
11439897 Manipulation input device Ryo Fukikoshi, Masaho Morita 2022-09-13
10675047 Forceps system Takahiro Kanno, Ryoken Miyazaki, Keiichi Akahoshi, Daisuke Ban, Minoru Tanabe 2020-06-09
10288066 Oil pump with sloping extension portion between discharge Manabu Watanabe, Shimpei Iizuka, Hiroaki Sato 2019-05-14
10184606 Camera, stand, and camera unit having camera and stand Taichi Nokuo, Katsuhisa Tadano 2019-01-22
9814480 Forceps manipulator and forceps system comprising forceps manipulator Kotaro Tadano, Daisuke Haraguchi 2017-11-14
9279507 Three-port valve Kotaro Tadano, Mizuki Komiya 2016-03-08
9091605 Force calculating system Kotaro Tadano, Daisuke Haraguchi 2015-07-28
8897916 Maneuvering system having inner force sense presenting function Kotaro Tadano 2014-11-25
8700213 Maneuvering system having inner force sense presenting function Kotaro Tadano 2014-04-15
8195336 Pressure regulator Toshiharu Kagawa, Tomonori Kato 2012-06-05
7437910 Pressure differentiator fitted with a temperature equalizing material Toshiharu Kagawa 2008-10-21
5844720 Prism sheet Shuzo Ohara, Takumi Kosugi, Osamu Kawaguchi, Tetsuro Taen, Yu Tsuyama 1998-12-01
5236864 Method of manufacturing a surface-emitting type semiconductor laser device Kenichi Iga, Akira Ibaraki, Kotaro Furusawa, Toru Ishikawa 1993-08-17
5020066 Surface-emitting-type semiconductor laser device Kenichi Iga, Akira Ibaraki, Kotaro Furusawa, Toru Ishikawa 1991-05-28
4658795 Gasoline vapor capture and combustion system Katsuaki Asano, Osamu Takii 1987-04-21