JM

Junichi Matsumoto

Ricoh Company: 118 patents #21 of 9,818Top 1%
TO Toyota: 33 patents #447 of 26,838Top 2%
KA Kataoka: 15 patents #1 of 23Top 5%
IC Idemitsu Kosan Co.: 6 patents #239 of 1,237Top 20%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
KU Kyoto Prefectural Public University: 3 patents #10 of 137Top 8%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
CL Copal Company Limited: 3 patents #16 of 139Top 15%
MC Mitsubishi Diamond Industrial Co.: 3 patents #8 of 58Top 15%
NC Nidec Copal: 2 patents #55 of 172Top 35%
IC Idemitsu Petrochemical Co.: 2 patents #182 of 578Top 35%
AD Advantest: 2 patents #465 of 1,193Top 40%
OK Osaka Yuki Kagaku Kogyo Kabushiki Kaisha: 2 patents #5 of 31Top 20%
SO Sony: 2 patents #12,963 of 25,231Top 55%
PC Prime Polymer Co.: 1 patents #30 of 116Top 30%
PC Primearth Ev Energy Co.: 1 patents #21 of 107Top 20%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
SL Shiseido Company, Limited: 1 patents #543 of 1,112Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
DE Denso: 1 patents #6,940 of 11,792Top 60%
Overall (All Time): #3,329 of 4,157,543Top 1%
201
Patents All Time

Issued Patents All Time

Showing 101–125 of 201 patents

Patent #TitleCo-InventorsDate
8280281 Development device and image forming apparatus Tomoya Ohmura, Nobuo Iwata, Natsumi Katoh 2012-10-02
8260175 Developing apparatus and image forming apparatus using same Tomoyuki Ichikawa, Nobuo Iwata, Natsumi Katoh 2012-09-04
8185021 Developing device and image forming apparatus Natsumi Katoh, Tomoyuki Ichikawa, Nobuo Iwata 2012-05-22
8180261 Image forming apparatus including a developer replenishing device which uses an air feeding device for a two-ingredient type developer Satoshi Muramatsu, Nobuo Iwata, Nobutaka Takeuchi, Takayuki Koike, Eriko Maruyama 2012-05-15
8175488 Image forming apparatus and image forming method including transporting developer using an airflow generator Nobuo Iwata, Natsumi Katoh, Tomoya Ohmura 2012-05-08
8139985 Developing apparatus and image forming apparatus using same Tomoyuki Ichikawa, Nobuo Iwata, Natsumi Katoh 2012-03-20
8129944 Control device for a secondary battery and vehicle Junta Izumi, Teruo Ishishita 2012-03-06
8112016 Developing agent circulation system and image forming apparatus using same Nobuo Iwata, Natsumi Katoh, Tomoya Ohmura 2012-02-07
8103197 Developing system and image forming apparatus incorporating same Nobuo Iwata, Natsumi Katoh, Tomoya Ohmura 2012-01-24
8073368 Development device and image forming apparatus Nobuo Iwata, Natsumi Katoh, Tomoya Ohmura 2011-12-06
8044144 Resin composition, transparent film or sheet having elasticity recovering property, and wrap film Masahiko Endoh, Misao Mukui 2011-10-25
8036576 Developing device including a stirring mechanism for a two-component developer and image forming apparatus including same Natsumi Katoh, Nobuo Iwata, Tomoya Ohmura 2011-10-11
8036787 Control device for power storage device and vehicle Junta Izumi, Teruo Ishishita 2011-10-11
8014703 Development device and image forming apparatus Tomoya Ohmura, Nobuo Iwata, Natsumi Katoh 2011-09-06
8000638 Developing device using two-component developing agent and image forming apparatus provided with same Tomoya Ohmura, Natsumi Katoh, Nobuo Iwata 2011-08-16
7953350 Developing device for developing latent images to toner images Natsumi Katoh, Nobuo Iwata, Tomoyuki Ichikawa 2011-05-31
7917055 Toner container including a toner draining unit and a shutter, and corresponding image forming apparatus Goro Katsuyama, Nobuo Iwata, Nobuo Kasahara, Satoshi Muramatsu 2011-03-29
7912408 Image forming apparatus, process cartridge, and development device Nobuo Iwata, Tomoyuki Ichikawa, Natsumi Katoh 2011-03-22
7894753 Developer container including mouth member and image forming apparatus including the same Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu 2011-02-22
7881912 Orthogonal basis bubble function element numerical analysis method, orthogonal basis bubble function element numerical analysis program, and orthogonal basis bubble function element numerical analyzing apparatus 2011-02-01
7835653 Developing device and image forming apparatus Natsumi Katoh, Tomoyuki Ichikawa, Nobuo Iwata 2010-11-16
RE41853 Scribing head, and scribing apparatus and scribing method using the scribing head Haruo Wakayama, Toshiyuki Sakai, Keiko Hayashi, Yoshitaka Nishio 2010-10-26
7809322 Image forming apparatus and process cartridge therefore having a cleaner section which stores unused developer Nobutaka Takeuchi, Nobuo Iwata, Satoshi Muramatsu, Takayuki Koike, Eriko Maruyama 2010-10-05
7796914 Powder container having a cylindrical shutter Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Goro Katsuyama 2010-09-14
7792472 Developing apparatus and image forming apparatus using same Tomoyuki Ichikawa, Nobuo Iwata, Natsumi Katoh 2010-09-07