YO

Yoshinobu Okumura

Sharp Kabushiki Kaisha: 7 patents #2,322 of 10,731Top 25%
SC Sanyo Electric Co.: 5 patents #1,180 of 6,347Top 20%
Kubota: 4 patents #505 of 2,059Top 25%
Canon: 3 patents #11,241 of 19,416Top 60%
ST Stormedia: 2 patents #6 of 23Top 30%
AM Akashic Memories: 1 patents #14 of 23Top 65%
SI Silmag: 1 patents #3 of 8Top 40%
Overall (All Time): #210,275 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
8737884 Charging member and electrophotographic image forming apparatus Masaki Sunaga, Yuichi Hashimoto 2014-05-27
8603697 Catalyst layer for solid polymer electrolyte fuel cell including catalyst with dendritic structure and method of producing the same Kazuya Miyazaki, Kazuhiro Yamada 2013-12-10
7841596 Sheet feeder Yasushi Matsutomo, Haruo Sayama, Yasunobu Ohkawa, Michihiro Yamashita, Yuriko Kamei +1 more 2010-11-30
7790647 Catalyst layer for polymer electrolyte fuel cell, process for producing the catalyst layer, and polymer electrolyte fuel cell Kazuhiro Yamada, Kazuya Miyazaki, Masaaki Shibata 2010-09-07
7727674 Nonaqueous secondary battery Toshio Yanagida, Yasuhiro Yamauchi, Naoya Nakanishi, Toshiyuki Nohma 2010-06-01
7668494 Fixing apparatus Takashi Kubo, Hiroaki Hori, Yasunori Minakuchi, Yoshinobu Tateishi, Yasunobu Ohkawa 2010-02-23
7366447 Image forming apparatus having non-contact charging roller Takashi Mukai, Syohji Tomita, Hiroshi Onda, Atsuyuki Katoh, Hiroshi Ishii 2008-04-29
7280947 Gear-driving-system designing system Kiwamu Morita, Tomohiko Okada 2007-10-09
7258948 Non-aqueous electrolyte secondary battery and manufacturing methods of an electrode used therein Yoshikumi Miyamoto, Jun Okazaki, Ryuji Ohshita, Hitoshi Tanaka 2007-08-21
7163565 Electrode plate for secondary battery, method of manufacturing the same, and secondary battery using the same Toshirou Yanagawa, Tadatoshi Fukuta, Hitoshi Tanaka, Ryuji Ohshita, Yoshikumi Miyamoto +1 more 2007-01-16
6783887 Method and apparatus for manufacturing battery module and unit battery cell for use in battery module Hideki Okajima, Takashi Oda, Yukichi Uesugi, Hitoshi Tanaka 2004-08-31
6599660 Battery module and method of manufacturing thereof Takashi Oda, Hideki Okajima, Yukichi Uesugi, Hitoshi Tanaka 2003-07-29
6049345 Image forming apparatus selectively charging toner using doctor blade Yukihito Nishio, Shiro Narikawa, Hirokazu Fujita, Hideo Yamasa, Takeshi Iriuchijima 2000-04-11
6030076 Ink jet dyeing apparatus Hisashi Yoshimura, Hajime Horinaka, Norihiro Ochi, Hiroshi Onda, Michihiro Yamashita 2000-02-29
6014292 Magnetic recording medium and magnetic head assembly with a medium magnetic coating having a high product of residual magnetization and thickness Jean-Pierre Lazzari, Yasuo Fujima, Joel R. Weiss 2000-01-11
5837389 Metal thin film magnetic recording medium having a Cr Ta Cu underlayer and a copt magnetic layer Tadashi Akita 1998-11-17
5789090 Metallic thin-film magnetic recording media Masahiko Yasui, Tadashi Akita, Makoto Maeda 1998-08-04
5700593 Metal thin film magnetic recording medium and manufacturing method thereof Xingbo Yang 1997-12-23
5585893 Image forming apparatus Hirokazu Fujita, Hirokazu Tanaka 1996-12-17
5480733 Metal thin film magnetic recording medium Xingbo Yang, Isao Endo 1996-01-02
5314745 Magnetic recording medium having a glass substrate, heat retaining non magnetic metal layer formed over the substrate, amorphous nip layer, Cr layer and magnetic layer 1994-05-24