KM

Kenji Matsumoto

HI Hitachi: 34 patents #717 of 28,497Top 3%
TL Tokyo Electron Limited: 33 patents #109 of 5,567Top 2%
Honda Motor Co.: 27 patents #322 of 21,052Top 2%
Fujitsu Limited: 19 patents #1,495 of 24,456Top 7%
HS Hitachi Video And Information Systems: 13 patents #2 of 269Top 1%
TE Teac: 11 patents #35 of 440Top 8%
CC Citizen Watch Co.: 10 patents #69 of 1,225Top 6%
ND Nitto Denko: 9 patents #365 of 2,479Top 15%
3M: 9 patents #1,775 of 11,543Top 20%
Sharp Kabushiki Kaisha: 9 patents #1,853 of 10,731Top 20%
CC Citizen Holdings Co.: 8 patents #11 of 431Top 3%
Mazda Motor: 7 patents #532 of 4,755Top 15%
SE Seiko Epson: 7 patents #2,406 of 7,774Top 35%
FU Fujifilm: 7 patents #1,205 of 4,519Top 30%
JL Japan Aviation Electronics Industry, Limited: 5 patents #207 of 728Top 30%
BL Bridgestone Tire Company Limited: 5 patents #34 of 438Top 8%
UM Uchiyama Manufacturing: 4 patents #5 of 116Top 5%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
Nintendo Co.: 4 patents #436 of 1,476Top 30%
KO Konica: 4 patents #638 of 1,958Top 35%
CC Citizen Electronics Co.: 3 patents #102 of 252Top 45%
KC Kuraray Co.: 3 patents #492 of 1,827Top 30%
TU Tohoku University: 3 patents #210 of 1,680Top 15%
NU National University Corporation Tohoku University: 2 patents #36 of 170Top 25%
Bridgestone: 2 patents #1,066 of 2,860Top 40%
FC Fuji Photo Optical Co.: 2 patents #214 of 509Top 45%
HC Hitachi Computer Engineering Co.: 2 patents #9 of 170Top 6%
HO Hoya: 2 patents #523 of 1,290Top 45%
JC Japan Radio Co.: 2 patents #22 of 178Top 15%
OI Olympus Imaging: 2 patents #149 of 341Top 45%
TC Taiyo Yuden Co.: 2 patents #481 of 959Top 55%
ND National Center For Child Health And Development: 1 patents #12 of 34Top 40%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Nichia: 1 patents #1,005 of 1,531Top 70%
KG Konica Minolta Medical & Graphic: 1 patents #133 of 249Top 55%
NC Nippon Zoki Pharmaceutical Co.: 1 patents #78 of 156Top 50%
KK Kanegafuchi Kagaku Kogyo: 1 patents #368 of 691Top 55%
NO Nok: 1 patents #382 of 725Top 55%
SO Sony: 1 patents #17,262 of 25,231Top 70%
OC Oriental Motor Co.: 1 patents #12 of 39Top 35%
PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
JA Jatco: 1 patents #458 of 871Top 55%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
SC Shikoku Kakoki Co.: 1 patents #55 of 103Top 55%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
HI Hi-Lex: 1 patents #46 of 114Top 45%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
AE Alpine Electronics: 1 patents #279 of 637Top 45%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NU Nagasaki University: 1 patents #17 of 133Top 15%
📍 Kyoto, CA: #1 of 57 inventorsTop 2%
Overall (All Time): #1,991 of 4,157,543Top 1%
249
Patents All Time

Issued Patents All Time

Showing 101–125 of 249 patents

Patent #TitleCo-InventorsDate
D522456 Capacitor cell Mitsuru Ikeo, Norifumi Yasuda, Satoru Asaka 2006-06-06
7038788 Angle-of-rotation measuring device and angle-of-rotation measuring method 2006-05-02
D518497 Printing plate producing machine Masayuki Muraoka, Katsushi Fujita, Hirohisa Tanaka, Takanori Tsuji 2006-04-04
6999035 Antenna device and method of manufacturing same Masaki Hoshina 2006-02-14
6987949 Wireless microphone system, voice receiving apparatus, and wireless microphone Shohei Taniguchi 2006-01-17
6976625 Electronic purse Yutaka Takami, Shigeyuki Itoh, Masayuki Inoue 2005-12-20
6977780 Image exposure device and laser exposure device applied thereto Toshiro Hayakawa, Yoshinori Morimoto, Kiichi Kato 2005-12-20
6959638 Rotary hydraulic machine Hiroyuki Makino, Naoki Itoh, Yoichi Kojima 2005-11-01
6960010 Polarized light emitting device for illuminating a display Junji Miyashita 2005-11-01
6941985 Drive device for packaging machine Masakatsu Kondo, Takayoshi Kamiji 2005-09-13
6938165 Program writable IC card and method thereof Masayuki Inoue, Shigeyuki Itoh, Yutaka Takami 2005-08-30
6932352 Gasket embedding an ion sensor Eiji Tomita, Sadami Yoshiyama 2005-08-23
6902106 Electronic money transaction system with a radio transmitter and receiver using a portable telephone Yutaka Takami, Shigeyuki Itoh 2005-06-07
6883805 Multifunctional gasket Eiji Tomita, Sadami Yoshiyama 2005-04-26
6884051 Rotary fluid machinery Hiroyuki Niikura, Hiroyoshi Taniguchi, Tsuyoshi Baba, Kensuke Honma, Hiroyuki Horimura +4 more 2005-04-26
6878374 Biodegradable polyacetals Lei Yu, Sang Van, Shouping Ji 2005-04-12
6866882 Method of forming a thin film Hiroshi Shinriki 2005-03-15
6827258 Electronic purse Yutaka Takami, Shigeyuki Itoh, Masayuki Inoue 2004-12-07
6800139 Film deposition apparatus and method Hiroshi Shinriki 2004-10-05
6793388 Semiconductor laser and fabricating method of the same 2004-09-21
6794585 Printed circuit board having filled throughole with corner rounded portion and manufacturing method Shigetoshi Abe, Tomoko Kato, Yasuo Sato, Takashi Itagaki 2004-09-21
6791638 Lighting panel for a display Junji Miyashita 2004-09-14
6792186 Light fibers and methods for producing the same Kengo Imamura, Shinichi Irie 2004-09-14
6732272 Program writable integrated circuit card and method therefore Masayuki Inoue, Shigeyuki Itoh, Yutaka Takami 2004-05-04
6709786 Cell module structure Satoru Asaka, Toshiyuki Matsuoka, Koichi Yamamoto, Osamu Hasegawa, Mitsuru Ikeo 2004-03-23