RO

Ryoji Okada

HI Hitachi: 16 patents #2,438 of 28,497Top 9%
HC Hitachi Media Electronics Co.: 1 patents #130 of 214Top 65%
TS Torex Semiconductor: 1 patents #6 of 16Top 40%
Overall (All Time): #277,795 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
8474318 Acceleration sensor Atsushi Kazama, Masakatsu Saitoh, Takanori Aono 2013-07-02
8438931 Semiconductor strain sensor Atsushi Kazama, Tetsurou Kawai 2013-05-14
8418558 Acceleration sensor element and acceleration sensor having same Atsushi Kazama, Masakatsu Saitoh, Yasuhiro Hamaguchi 2013-04-16
8022433 Semiconductor sensor device and method for manufacturing same Takanori Aono, Atsushi Kazama, Yoshiaki Takada 2011-09-20
7939938 Functional device package with metallization arrangement for improved bondability of two substrates Shohei Hata, Naoki Matsushima, Eiji Sakamoto, Takanori Aono, Atsushi Kazama +1 more 2011-05-10
7400568 Optical device, optical pickup and optical disk apparatus Seiichi Katou, Katsuhiko Kimura, Teruhisa Akashi, Kazuyuki Fukuda, Hiromitsu Imamiya +2 more 2008-07-15
7298972 Optical switch and a control method thereof Tadaaki Ishikawa 2007-11-20
5938403 Runner, water wheel and method of manufacturing the same Kazuo Niikura, Keiji Taguchi, Kiyohito Tani 1999-08-17
5839880 Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit, and method of manufacturing the bearing unit Kooji Aizawa, Masayuki Yamada, Kenji Otani, Kunio Takada, Mitsuaki Haneda +1 more 1998-11-24
5458460 Drainage pump and a hydraulic turbine incorporating a bearing member, and a method of manufacturing the bearing member Kooji Aizawa, Masayuki Yamada, Kenji Otani, Kunio Takada, Mitsuaki Haneda +1 more 1995-10-17
5346316 Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit Kooju Aizawa, Masayuki Yamada, Kenji Otani, Kunio Takada, Mitsuaki Haneda +1 more 1994-09-13
5301078 Magnetic disk unit and manufacturing method of carriage structure thereof Toshiaki Makino, Marutomo Goto, Hideyuki Kimura, Takashi Yamaguchi, Hiromu Hirai +8 more 1994-04-05
5297927 Vertical shaft type pump Kooji Aizawa, Katsutoshi Nii, Masayuki Yamada, Kunio Takada 1994-03-29
5180001 Heat transfer member Motohiro Sato, Toshihiro Yamada, Heikichi Kuwabara 1993-01-19
5168097 Laser deposition process for forming an ultrafine-particle film Takeshi Araya, Akira Matsunawa, Seiji Katayama, Susumu Hioki, Mitsuaki Haneda 1992-12-01
4855102 Sintering method Mitsuaki Haneda, Takeshi Araya, Susumu Hioki 1989-08-08
4610718 Method for manufacturing ultra-fine particles Takeshi Araya, Yoshiro Ibaraki, Susumu Hioki, Masatoshi Kanamaru, Yoshishige Endo +1 more 1986-09-09