MS

Masahiko Sakamoto

Mitsubishi Electric: 11 patents #2,558 of 25,717Top 10%
HI Hitachi: 9 patents #4,653 of 28,497Top 20%
Kyocera: 1 patents #2,054 of 3,732Top 60%
NT NTT: 1 patents #2,911 of 4,871Top 60%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
SE Sercomp: 1 patents #2 of 4Top 50%
SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
HC Hitachi Haramachi Electronics Co.: 1 patents #22 of 64Top 35%
📍 Hitachi, CA: #3 of 9 inventorsTop 35%
Overall (All Time): #175,207 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
7907505 Code disk with a plurality of tracks having different patterns Katsutoshi Kamakura, Masahiro Otani, Yasushi Kawashima, Isamu Higashioka, Masaru Imaizumi +2 more 2011-03-15
7612331 Code disk with a plurality of tracks having different patterns Koichi Sugimoto, Katsutoshi Kamakura, Masahiro Otani, Yasushi Kawashima, Isamu Higashioka +2 more 2009-11-03
7538313 Optical encoder having a no track portion of an optical scale being placed at a position symmetrical to a light non-transparent portion within an irradiation region of incident light Toru Oka, Yoichi Ohmura, Hajime Nakajima, Toshikazu Kitagaki 2009-05-26
7285769 Optical encoder with reduced reflected light error having a light non-transparent portion with inclined surfaces Toru Oka, Yoichi Ohmura, Hajime Nakajima, Toshikazu Kitagaki 2007-10-23
7262710 Collision time estimation apparatus for vehicles, collision time estimation method for vehicles, collision alarm apparatus for vehicles, and collision alarm method for vehicles Seigo Watanabe, Rumiko Oshima 2007-08-28
7193962 Code disk with a plurality of tracks having different patterns Koichi Sugimoto, Katsutoshi Kamakura, Masahiro Otani, Yasushi Kawashima, Isamu Higashioka +2 more 2007-03-20
7097091 Friction stir welding method and component part welded by the method Hisanori Okamura, Kinya Aota, Kouji Satou 2006-08-29
6972402 Photoelectric rotary encoder Yoichi Ohmura, Toru Oka, Toshiro Nakashima, Hajime Nakajima, Hirokazu Sakuma +2 more 2005-12-06
6875951 Laser machining device Shozui Takeno, Yasuhiko Iwai, Toshiyuki Hokodate, Miki Kurosawa 2005-04-05
6739495 Friction stir welding method and component part welded by the method Hisanori Okamura, Kinya Aota, Kouji Satou 2004-05-25
6690024 Laser inspection apparatus Koji Funaoka, Shozui Takeno, Hiroshi Sasai 2004-02-10
6595403 Friction stir welding method Hisanori Okamura, Kinya Aota, Isao Funyu, Kouichi Watanabe, Akihiro Sato +2 more 2003-07-22
6299050 Friction stir welding apparatus and method Hisanori Okamura, Kinya Aota, Isao Funyu, Kouichi Watanabe, Akihiro Sato +2 more 2001-10-09
5699936 Liquid dispensing system 1997-12-23
5621243 Semiconductor device having thermal stress resistance structure Noboru Baba, Hisanori Okamura, Hirosi Akiyama, Ryuichi Saito, Yoshihiko Koike +4 more 1997-04-15
5481095 Code reading pattern and an image pickup apparatus for reading the pattern Hiroshi Mitsuda, Hitoshi Tanaka, Nobuyuki Kosaka, Yoshinori Ito 1996-01-02
5231366 Superconducting magnetic field generating apparatus and method of producing the same Takashi Haramaki, Mituo Nakamura, Takao Funamoto, Teruhiro Takizawa, Takeshi Yamagiwa 1993-07-27
5092366 Air pipe for a lighting fixture for a vehicle 1992-03-03
5051397 Joined body of high-temperature oxide superconductor and method of joining oxide superconductors Chie Sato, Hisanori Okamura, Takao Funamoto, Masahiro Ogihara 1991-09-24
4988194 Optical storage inspection unit calibration disk Shigeji Hara, Takashi Yoshizawa, Kanae Kinoshita, Mitsuhiro Terada, Youji Suzuki 1991-01-29
4879473 Electron-beam exposure apparatus Nobuyuki Zumoto, Susumu Hoshinouchi 1989-11-07
4654506 Method and apparatus for detecting and regulating position of welding electron beam Yoshio Yamane, Seigo Hiramoto 1987-03-31
4615658 Shroud for gas turbines Hiromi Kagohara, Yutaka Fukui, Nobuyuki Iizuka 1986-10-07
4465530 Gas turbine nozzle having superior thermal fatigue resistance Hiromi Kagohara, Nobuyuki Iizuka, Yutaka Fukui 1984-08-14