NI

Naoyuki Ishikawa

Ricoh Company: 55 patents #171 of 9,818Top 2%
Overall (All Time): #46,132 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 26–50 of 55 patents

Patent #TitleCo-InventorsDate
9274409 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Yasutada Tsukioka, Hideo Kanai 2016-03-01
9244247 Auto-focus device, projection lens device, and image projection apparatus Satoshi Tsuchiya, Masamichi Yamada, Yasunari Mikutsu, Hideo Namba, Hideo Kanai +1 more 2016-01-26
9128359 Electronic device and image projection apparatus Masamichi Yamada, Hideo Namba, Satoshi Tsuchiya, Yasunari Mikutsu, Hideo Kanai +1 more 2015-09-08
9110360 Image projection apparatus Yasunari Mikutsu, Hideo Namba, Satoshi Tsuchiya, Hideo Kanai, Motohisa Ikeda +1 more 2015-08-18
9104093 Illumination optical system and image projection device Tetsuya Fujioka, Masamichi Yamada, Yasunari Mikutsu, Hideo Kanai, Satoshi Tsuchiya +1 more 2015-08-11
9091908 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Yasutada Tsukioka, Hideo Kanai 2015-07-28
9086615 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Yasutada Tsukioka, Hideo Kanai 2015-07-21
9075297 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Yasutada Tsukioka, Hideo Kanai 2015-07-07
9052580 Outer housing for an image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Hideo Kanai, Masamichi Yamada 2015-06-09
9033514 Image projection apparatus Yasutada Tsukioka, Tetsuya Fujioka, Masamichi Yamada, Hideo Kanai 2015-05-19
9016868 Image projection apparatus Hideo Kanai, Tetsuya Fujioka, Masamichi Yamada, Yasutada Tsukioka 2015-04-28
9010940 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Masamichi Yamada, Hideo Kanai 2015-04-21
9010939 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Masamichi Yamada, Hideo Kanai 2015-04-21
9004697 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Yasutada Tsukioka, Hideo Kanai 2015-04-14
9004696 Image projection apparatus Akihisa Mikawa, Tetsuya Fujioka, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu +2 more 2015-04-14
8998425 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Yasutada Tsukioka, Hideo Kanai 2015-04-07
8985786 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Yasutada Tsukioka, Hideo Kanai 2015-03-24
8882277 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Yasutada Tsukioka, Hideo Kanai 2014-11-11
8528891 Creasing device and image forming system Go Aiba, Hitoshi Hattori, Takashi Saito, Shuuya Nagasako, Yuusuke Shibasaki +4 more 2013-09-10
8490957 Creasing apparatus and image forming system Shuuya Nagasako, Hitoshi Hattori, Takashi Saito, Yuusuke Shibasaki, Akihiro Musha +4 more 2013-07-23
8480069 Sheet processing apparatus and image forming system Yuusuke Shibasaki, Hitoshi Hattori, Takashi Saito, Akihiro Musha, Shuuya Nagasako +4 more 2013-07-09
8465012 Creasing device and image forming system Hitoshi Hattori, Naohiro Kikkawa, Shuuya Nagasako, Takashi Saito, Yuusuke Shibasaki +3 more 2013-06-18
8424859 Creasing apparatus and image forming system Naohiro Kikkawa, Hitoshi Hattori, Shuuya Nagasako, Takashi Saito, Yuusuke Shibasaki +4 more 2013-04-23
8419003 Creasing device and image forming system Hidetoshi Kojima, Naohiro Kikkawa, Hitoshi Hattori, Takashi Saito, Shuuya Nagasako +4 more 2013-04-16
8413974 Creasing device and image forming system Yuusuke Shibasaki, Naohiro Kikkawa, Hitoshi Hattori, Shuuya Nagasako, Takashi Saito +3 more 2013-04-09