TI

Tadashi Ichikawa

TL Toyota Central R&D Labs: 13 patents #46 of 1,657Top 3%
NT NTT: 2 patents #2,095 of 4,871Top 45%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
JC Japan Airlines Co.: 1 patents #3 of 35Top 9%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
Overall (All Time): #222,051 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
10739457 Laser radar, and light receiving method of laser radar Daisuke Inoue, Tatsuya Yamashita, Akari Nakao, Kazuo Hasegawa 2020-08-11
10209603 Switching optical antenna, switching optical antenna array, and optical scanning device Daisuke Inoue, Hiroyuki Matsubara 2019-02-19
9939577 Diffraction structure, diffraction grating, diffraction grating array, optical phased array, optical modulator, optical filter, laser source Daisuke Inoue, Akari Nakao, Tatsuya Yamashita, Makoto Nakai 2018-04-10
9817121 Radar apparatus and method of determining sign of velocity Daisuke Inoue, Tatsuya Yamashita, Satoru Kato, Kazuo Hasegawa 2017-11-14
7903695 Optical fiber laser and exciting method using same Seiji Kojima, Bing Yao, Kazumasa Ohsono, Akihito Hongo, Akio Sato +5 more 2011-03-08
7897987 Light-emitting device including light-emitting diode and stacked light-emitting phosphor layers Mitsuhiro Inoue, Kenji Ito, Kazuyohi Tomita, Tetsu Kachi, Takahiro Kozawa +1 more 2011-03-01
6973234 Optical circuit for condensing laser beams, and light source device Kazuo Hasegawa, Hiroyuki Matsubara, Mitsutoshi Maeda, Hiroshi Ito 2005-12-06
6268585 Method of forming groove by laser Hiroshi Ito 2001-07-31
6111917 Image communication system and method Yasuhiro Tomita, Tsukasa Kimura, Hideaki Kimata, Ryota Suzuki, Takaaki Akimoto 2000-08-29
5969341 Optical integrated voltage sensor for optically measuring the magnitude of a voltage Hiroshi Ito, Satoru Kato 1999-10-19
5907426 Stabilizing device for optical modulator Naohiko Kato, Hiroshi Ito, Tomoyoshi Motohiro, Tatsumi Hioki 1999-05-25
5627920 Optical-optical modulators Naohiko Kato, Hiroshi Ito, Tomoyoshi Motohiro, Tatsumi Hioki 1997-05-06
5587785 Laser doppler velocimeter Satoru Kato, Hiroshi Ito, Manabu Kagami 1996-12-24
5285723 Printing apparatus for wire material Mitsuo Takahashi 1994-02-15
5278499 Fiberoptic apparatus for measuring electromagnetic field intensity with an electro-optic sensor Hiroshi Ito, Satoru Kato 1994-01-11
5227715 Apparatus for measuring electromagnetic field intensity using dual polarized light beams Hiroshi Ito, Satoru Kato 1993-07-13
5210407 Electric field intensity detecting device having a condenser-type antenna and a light modulator Hiroshi Ito, Satoru Kato 1993-05-11
5054099 Binary image reduction method Kaoru Wakabayashi, Fumio Adachi 1991-10-01
D305075 Underwear for men 1989-12-19
4702239 Underwear for men 1987-10-27