KI

Kazuo Ichikawa

SO Sony: 11 patents #4,043 of 25,231Top 20%
CC Chukyo Medical Co.: 10 patents #1 of 6Top 20%
Mazda Motor: 7 patents #532 of 4,755Top 15%
SU Shinshu University: 2 patents #31 of 261Top 15%
KC Kowa Company: 2 patents #203 of 562Top 40%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Canon: 1 patents #14,899 of 19,416Top 80%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
MK Meiji Seika Kaisha: 1 patents #353 of 752Top 50%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #85,781 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
11806281 Ophthalmic surgery instrument Hiroto Toda 2023-11-07
11576814 Ophthalmic instrument 2023-02-14
11248558 Engine Yoshihisa Nou 2022-02-15
11118534 Multi-cylinder engine Yoshihisa Nou 2021-09-14
11015549 Cylinder block Tsuguhisa Miyamoto, Yoshihisa Nou, Yuma Miyauchi 2021-05-25
11002220 Cylinder block Tsuguhisa Miyamoto, Yoshihisa Nou, Yuma Miyauchi 2021-05-11
10634247 Piston structure for engine Osamu Aoki, Takashi Ikai, Kouichi Nakano, Yoshiyuki Koga, Shinichi Fujimaki 2020-04-28
10478057 Testing apparatus and testing method Hiroyuki Sato, Yoshiki Tanaka 2019-11-19
10470873 Intraocular lens and haptic for intraocular lens Norihiko Yoshida 2019-11-12
10463385 Surgical instrument 2019-11-05
10271944 Intraocularly-mounted object and intraocularly-mounted object holding member Norihiko Yoshida 2019-04-30
10260451 Heat insulation structure of combustion chamber of engine Takashi Ikai, Osamu Aoki 2019-04-16
10004591 Intraocular lens 2018-06-26
9596985 Color-viewing function measuring means and color-viewing function measurement system Kiyoshi Tanaka, Tanaka Yoshiki 2017-03-21
9488094 Direct injection gasoline engine and method of controlling the direct injection gasoline engine Hiroyuki Yamashita, Kazuaki Narahara, Tatsuya Tanaka, Yoshitomo Takahashi, Yusuke NAKAO +8 more 2016-11-08
9489917 Color perception tester, control program and method of controlling color perception tester Kiyoshi Tanaka, Yoshiki Tanaka, Takuya Hara 2016-11-08
9445891 Intraocular lens 2016-09-20
9333072 Intraocular lens 2016-05-10
9326845 Intraocular implant, intraocular implant set and intraocular lens Norihiko Yoshida 2016-05-03
8080190 Method of molding a toner bottle using up to 8-sided recycled flake Mitsuo Owashi 2011-12-20
6149320 Photosensitive material processing apparatus and sealing structure for processing section of the apparatus Shinichi Miyamoto, Kenichi Miyamoto, Tomoyuki Takiue, Yutaka Takeo, Susumu Yoshida +1 more 2000-11-21
D432116 Speaker box Shinkichi Tanaka 2000-10-17
5802194 Stereo loudspeaker system with tweeters mounted on rotatable enlongated arms Makoto Yamagishi, Yutaka Kagawa, Akihiro Akiyama 1998-09-01
5797937 Ophthalmologic knife Toshiyuki Nakajima 1998-08-25
D369806 Combined amplifier and speakers 1996-05-14