TF

Tetsuya Fujioka

Ricoh Company: 76 patents #69 of 9,818Top 1%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
IS Ishikawa Seisakusho: 1 patents #7 of 32Top 25%
JA Jatco: 1 patents #458 of 871Top 55%
📍 Yokohama, JP: #115 of 480 inventorsTop 25%
Overall (All Time): #22,759 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 1–25 of 80 patents

Patent #TitleCo-InventorsDate
11181069 Diesel engine system Takeshi Matsubara, Naotoshi Shirahashi, Takeshi Inazumi 2021-11-23
10557436 Method and device for controlling fuel injection of diesel engine Naotoshi Shirahashi, Tsunehiro Mori, Takeshi Matsubara, Takeshi Inazumi 2020-02-11
10277871 Image formation unit and image projection apparatus Akihisa Mikawa, Yoshio Kubo, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya +1 more 2019-04-30
10036943 Light source device, image projector, and method for disposing light source device Takehiro Nishimori, Yasunari Mikutsu, Hideo Kanai, Satoshi Tsuchiya, Jun Mashimo 2018-07-31
10012893 Image projection apparatus Masamichi Yamada, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2018-07-03
9964733 Holding structure for holding reflecting mirror, projection optical system unit, optical engine, and image projecting apparatus Akihisa Mikawa, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya, Takahiro Hiramatsu +3 more 2018-05-08
9961310 Image projection apparatus Akihisa Mikawa, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya, Jun Mashimo 2018-05-01
9952486 High resolution image projection apparatus with horizontally actuated image generation unit Akihisa Mikawa, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya, Takahiro Hiramatsu +3 more 2018-04-24
9864262 Image projection device and image projection method to control an illumination area based on movement of image generating unit Akihisa Mikawa, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya, Jun Mashimo +1 more 2018-01-09
9829671 Projection lens unit, optical engine, and image projecting apparatus Satoshi Tsuchiya, Hideo Kanai, Yasunari Mikutsu, Akihisa Mikawa, Takahiro Hiramatsu +3 more 2017-11-28
9787956 Image projection apparatus Yukimi NISHI, Jun Mashimo, Satoshi Tsuchiya, Yasunari Mikutsu, Takahiro Hiramatsu +3 more 2017-10-10
9778551 Illumination optical system, optical engine, and image projection apparatus Satoshi Tsuchiya, Hideo Kanai, Yasunari Mikutsu, Akihisa Mikawa, Yukimi NISHI +3 more 2017-10-03
9713282 Cooling apparatus, image projection apparatus, and electronic device Akihisa Mikawa, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu, Satoshi Tsuchiya +1 more 2017-07-18
9678416 Light source device provided with cooler and image projection device including light source device provided with cooler Naoyuki Ishikawa, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-06-13
9671681 Image projection apparatus Masamichi Yamada, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2017-06-06
9645478 Cooling device, image projection apparatus, and electronic apparatus Akihisa Mikawa, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu, Satoshi Tsuchiya +1 more 2017-05-09
9625797 Projection optical device and image projection apparatus Satoshi Tsuchiya, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu, Naoyuki Ishikawa +2 more 2017-04-18
9618833 Image projection apparatus Yukimi NISHI, Naoyuki Ishikawa, Satoshi Tsuchiya, Akihisa Mikawa, Hideo Kanai +3 more 2017-04-11
9606426 Duct cover for an image projection apparatus Naoyuki Ishikawa, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-03-28
9541821 Light source housing, light source device, and image projection apparatus Naoyuki Ishikawa, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-01-10
9541818 Cooling device, cooling structure, image projection device, and electronic device Akihisa Mikawa, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya, Yukimi NISHI +1 more 2017-01-10
9537257 Image projection apparatus and light source unit Naoyuki Ishikawa, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-01-03
9525840 Image projection apparatus and circuit-board retaining structure Masamichi Yamada, Naoyuki Ishikawa, Akihisa Mikawa, Hideo Kanai, Yasunari Mikutsu +1 more 2016-12-20
9436070 Image Projection apparatus Akihisa Mikawa, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu, Satoshi Tsuchiya +2 more 2016-09-06
9429828 Image projection apparatus Masamichi Yamada, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2016-08-30