HY

Hirotaka Yamazaki

Bridgestone: 15 patents #118 of 2,860Top 5%
IC Idemitsu Kosan Co.: 2 patents #509 of 1,237Top 45%
JC Japan Cash Machine Co.: 1 patents #53 of 83Top 65%
KC Kyowa Yuka Co.: 1 patents #29 of 57Top 55%
Overall (All Time): #252,118 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11827470 Paper sheet processing device, stacking tray, and paper sheet stacking method Yoshihito Osada, Kazuya Furumachi, Yousuke Miyashita, Makoto Iwasaki, Nobuhiro Ida +2 more 2023-11-28
8648022 Lubricating oil for refrigerator and hydraulic fluid composition for refrigerator using the same Toshinori Tazaki, Kenji Mogami 2014-02-11
8582198 Information display panel Mitsuhiro Nishida, Shingo Ohno 2013-11-12
7835064 Method of manufacturing information display panel Yoshitomo Masuda, Taichi Kobayashi 2010-11-16
7646358 Image display device Reiji Hattori, Itsuo Tanuma, Yoshitomo Masuda, Norio Nihei, Ryou Sakurai +1 more 2010-01-12
7554716 Information display panel Shinichi Kita, Hajime Tamura, Takanori Shoji 2009-06-30
7495819 Method of manufacturing image display panel, method of manufacturing image display device, and image display device Ryou Sakurai, Kazuyoshi Akuzawa, Hiroyuki Anzai, Hajime Kitano, Kazuya Murata +5 more 2009-02-24
7483202 Image display panel and image display device Ryo Sakurai, Hidetoshi Hiraoka, Taichi Kobayashi, Hajime Kitano 2009-01-27
7369299 Image display panel and image display device Ryo Sakurai, Hidetoshi Hiraoka, Taichi Kobayashi, Hajime Kitano 2008-05-06
7236291 Particle use for image display media, image display panel using the particles, and image display device Norihiko Kaga, Gaku Yakushiji, Hare Tazawa, Maki Masutani, Taichi Kobayashi +8 more 2007-06-26
6818674 Elastic member and image formation equipment Junji Sakata 2004-11-16
6810227 Foamed elastic member for use in image forming apparatus Junji Sakata 2004-10-26
6734151 Process for producing a high-purity oxygenic compound and lubricating oil Minoyuki Kubota, Kazuhiko Suzuki, Tokuyuki Yoshimoto, Akihisa Ogawa, Shigeru Kamimori 2004-05-11
6572791 Electroconductive elastic member, elastic member and image formation equipment Junji Sakata, Tadashi Nakajima, Takahiro Kawagoe 2003-06-03
6480692 Toner supply roller and developing apparatus Junji Sakata 2002-11-12
5723214 Paper feed roll and apparatus Yasushi Imai, Shinichi Toyosawa, Yoshihide Fukahori 1998-03-03
5376700 Rubber composition Yasunori Fukuta, Yoshihide Fukahori 1994-12-27
5162395 Rubber composition Yasunori Fukuta, Yoshihide Fukahori 1992-11-10