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 151–175 of 249 patents

Patent #TitleCo-InventorsDate
6382505 Electronic purse Yutaka Takami, Shigeyuki Itoh, Masayuki Inoue 2002-05-07
6367696 IC card processing device, automatic vending device, and selling method Tetsuharu Inamitsu, Masayuki Inoue, Koichi Yoneta, Shigeyuki Itoh, Yutaka Takami 2002-04-09
6366727 Light-illuminating rods Yukio Nojiri, Shinichi Irie 2002-04-02
6359699 IC card processing system and processing method Koichi Yoneta, Masayuki Inoue, Tetsuharu Inamitsu, Shigeyuki Itoh, Yutaka Takami 2002-03-19
6345263 Electronic purse application system and method thereof Shigeyuki Itoh, Yutaka Takami, Masayuki Inoue, Iwao Aizawa 2002-02-05
6335083 Transparent beads and their production method Toshihiro Kasai, Kenton D. Budd, Stephen L. Lieder, James A. Laird, Chikafumi Yokoyama +2 more 2002-01-01
6327137 Electric double layer capacitor apparatus Koichi Yamamoto, Toshiyuki Matsuoka, Kentaro Shibuya 2001-12-04
6316720 Opening shield plate for electrolyte capacitor having inner annular PFA portion and outer annular Al portion Yoshio Yamamoto, Kazuo Andou, Jo Matsune 2001-11-13
6301093 Electrochemical capacitor Minoru Noguchi, Tatsuya Suzuki, Yoshio Yamamoto, Takashi Higono 2001-10-09
6230971 Transaction-oriented electronic accommodation system Shigeyuki Itoh, Misuzu Nakano, Akira Kanehira, Masaaki Hiroya 2001-05-15
6229569 Electronic camera Masashi Saito 2001-05-08
6215753 Recording-medium loading apparatus having a recording medium holder movable relative to a tray 2001-04-10
D438889 Electronic copier Hisao Hosoya, Junichi Fujita, Hiroto Ito, Kazuhiro Hirota 2001-03-13
6199755 Machine data acquistion system and method Shigeyuki Itoh, Yutaka Takami, Masayuki Inoue, Koichi Yoneta, Tetsuharu Inamitsu 2001-03-13
D438559 Electronic copier Atsushi Ogane, Naoki Otomo, Shun Kawata 2001-03-06
6189782 Electronic purse Yutaka Takami, Shigeyuki Itoh, Masayuki Inoue 2001-02-20
6116506 Transaction-oriented electronic accommodation system Shigeyuki Itoh, Misuzu Nakano, Akira Kanehira, Masaaki Hiroya 2000-09-12
6087007 Heat-Resistant optical plastic laminated sheet and its producing method Sadao Fujii 2000-07-11
6040004 Method and apparatus for fabricating a particle-coated substrate, and such substrate Kazuo Suzuki, Muneo Haga 2000-03-21
6036088 Method and apparatus for processing IC card found Shigeyuki Itoh 2000-03-14
6016956 Electronic money transaction system with a radio transmitter and receiver using a portable telephone Yutaka Takami, Shigeyuki Itoh 2000-01-25
5992738 IC card automated transaction terminal and IC card used therein Shigeyuki Itoh, Yutaka Takami, Masayuki Inoue 1999-11-30
5991747 Electronic purse loan system Nonaka Tomoyuki, Shigeyuki Itoh, Masayuki Inoue 1999-11-23
5987438 Electronic wallet system Misuzu Nakano, Shigeyuki Itoh, Akira Kanehira 1999-11-16
5955223 Phase-shift mask blank and process for the production thereof comprising a semi transparent film with silicon and nitrogen Hideaki Mitsui, Yoichi Yamaguchi 1999-09-21