AM

Akihisa Mikawa

Ricoh Company: 39 patents #374 of 9,818Top 4%
Overall (All Time): #82,367 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
11729924 Display apparatus 2023-08-15
11650679 Pen holder and display system Keiichi Yoshida 2023-05-16
11467630 Information display device 2022-10-11
11382220 Display apparatus Risa Kosukegawa 2022-07-05
11382221 Information display device 2022-07-05
10838286 Image generating unit, image projecting apparatus, and heat sink Yoshito Saito 2020-11-17
10393547 Position detection system, position detection method, image generation unit and image projection apparatus Hiroyuki Kubota 2019-08-27
10354572 Image generation device and image projection apparatus 2019-07-16
10277871 Image formation unit and image projection apparatus Yoshio Kubo, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya +1 more 2019-04-30
10225531 Image display unit, image projection unit, and image projection apparatus Masamichi Yamada, Yoshito Saito 2019-03-05
10216074 Image generation device and image projection apparatus for generating an image 2019-02-26
10091472 Image generating unit and image projecting apparatus 2018-10-02
9964733 Holding structure for holding reflecting mirror, projection optical system unit, optical engine, and image projecting apparatus Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya, Takahiro Hiramatsu +3 more 2018-05-08
9961310 Image projection apparatus Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya, Jun Mashimo 2018-05-01
9952486 High resolution image projection apparatus with horizontally actuated image generation unit Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya, Takahiro Hiramatsu +3 more 2018-04-24
9918054 Image generating unit and image projecting apparatus 2018-03-13
9897820 Image projection apparatus 2018-02-20
9864262 Image projection device and image projection method to control an illumination area based on movement of image generating unit Tetsuya Fujioka, 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, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Takahiro Hiramatsu +3 more 2017-11-28
9819916 Movable apparatus, image generation apparataus, and image projection apparatus Naoya Yokoyama 2017-11-14
9787956 Image projection apparatus Yukimi NISHI, Jun Mashimo, Satoshi Tsuchiya, Tetsuya Fujioka, Yasunari Mikutsu +3 more 2017-10-10
9778551 Illumination optical system, optical engine, and image projection apparatus Satoshi Tsuchiya, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Yukimi NISHI +3 more 2017-10-03
9713282 Cooling apparatus, image projection apparatus, and electronic device Tetsuya Fujioka, 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, Tetsuya Fujioka, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-06-13
9645478 Cooling device, image projection apparatus, and electronic apparatus Tetsuya Fujioka, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu, Satoshi Tsuchiya +1 more 2017-05-09