HF

Hiroyuki Fujiwara

OD Oki Data: 8 patents #3 of 106Top 3%
DC Delta Tooling Co.: 1 patents #2 of 7Top 30%
Overall (2011): #4,724 of 364,097Top 2%
9
Patents 2011

Issued Patents 2011

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8052214 Seat structure Ryota Okimoto, Kenichi Kawai, Etsunori Fujita, Kazuyoshi Chizuka 2011-11-08
8035116 Semiconductor device, light emitting diode head, and image forming apparatus Mitsuhiko Ogihara, Masataka Muto, Takahito Suzuki, Tomoki Igari 2011-10-11
8022387 Composite semiconductor device having a thyristor structure Mitsuhiko Ogihara, Masataka Muto, Takahito Suzuki, Tomoki Igari 2011-09-20
8022418 Composite semiconductor device, LED print head that employs the composite semiconductor device, and image forming apparatus that employs the LED print head Tomohiko Sagimori, Mitsuhiko Ogihara, Takahito Suzuki 2011-09-20
7999275 Composite semiconductor device, LED head that employs the composite semiconductor device, and image forming apparatus that employs the LED head Mitsuhiko Ogihara, Tomohiko Sagimori, Tomoki Igari 2011-08-16
7947576 Method of manufacturing by etching a semiconductor substrate horizontally without creating a vertical face Tomoki Igari, Mitsuhiko Ogihara, Hironori FURUTA, Takahito Suzuki, Tomohiko Sagimori +1 more 2011-05-24
7928572 Composite semiconductor device Mitsuhiko Ogihara, Masataka Muto, Tomohiko Sagimori, Tomoki Igari 2011-04-19
7893455 Semiconductor light emitting device with stress absorber, LED printhead, and image forming apparatus Mitsuhiko Ogihara, Masataka Muto, Tomoki Igari, Hiroshi Kurokawa 2011-02-22
7871834 Combined semiconductor apparatus with thin semiconductor films Mitsuhiko Ogihara, Ichimatsu Abiko, Masaaki Sakuta 2011-01-18