HH

Hitoshi Hirano

KC Kantatsu Co.: 133 patents #2 of 32Top 7%
OL Optical Logic: 65 patents #2 of 10Top 20%
SC Sanyo Electric Co.: 42 patents #37 of 6,347Top 1%
TC Tokyo Visionary Optics Co.: 40 patents #1 of 21Top 5%
DE Denso: 7 patents #1,924 of 11,792Top 20%
SE Seiko Epson: 4 patents #3,385 of 7,774Top 45%
UN Unex: 3 patents #13 of 33Top 40%
TE Tokyo Shibaura Electric: 3 patents #11 of 337Top 4%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
UT University Of Tokushima: 1 patents #12 of 80Top 15%
CC Colin Electronics Co.: 1 patents #28 of 69Top 45%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
AK Aisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%
📍 Suwa, JP: #1 of 5 inventorsTop 20%
Overall (All Time): #2,116 of 4,157,543Top 1%
244
Patents All Time

Issued Patents All Time

Showing 226–244 of 244 patents

Patent #TitleCo-InventorsDate
5920143 Surface acoustic wave device Hisaki Tarui, Keiichi Kuramoto, Yoichi Domoto 1999-07-06
5901021 Thin-film magnetic head Keiichi Kuramoto, Yoichi Domoto, Seiichi Kiyama 1999-05-04
5893025 CATV converter for receiving both analog and digital signals Masaki Bessho, Fumihiro Hamada 1999-04-06
5864452 Thin-film magnetic head and method of forming carbon film Keiichi Kuramoto, Yoichi Domoto, Seiichi Kiyama 1999-01-26
5695832 Method of forming a hard-carbon-film-coated substrate Keiichi Kuramoto, Yoichi Domoto, Seiichi Kiyama 1997-12-09
5691010 Arc discharge plasma CVD method for forming diamond-like carbon films Keiichi Kuramoto, Yoichi Domoto, Seiichi Kiyama 1997-11-25
5629086 Hard-carbon-film-coated substrate and apparatus for forming the same Keiichi Kuramoto, Yoichi Domoto, Seiichi Kiyama 1997-05-13
5626963 Hard-carbon-film-coated substrate and apparatus for forming the same Keiichi Kuramoto, Yoichi Domoto, Seiichi Kiyama 1997-05-06
5458928 Method of forming metal material film with controlled color characteristic Seiichi Kiyama, Yoichi Domoto, Keiichi Kuramoto 1995-10-17
5428961 Micromachines Takahisa Sakakibara, Hiroaki Izu, Seiichi Kiyama, Keiichi Kuramoto, Yoichi Domoto +8 more 1995-07-04
5064682 Method of forming a pseudo-diamond film on a base body Seiichi Kiyama 1991-11-12
5053245 Method of improving the quality of an edge surface of a cutting device Seiichi Kiyama, Masao Onji 1991-10-01
5031630 Automatic blood pressure measuring apparatus Yoshimasa Kondo, Masahiro Uemura 1991-07-16
4463724 Method for controlling the air-fuel ratio in a carburetor of an internal combustion engine Kastuyoshi Fukaya, Akira Tokuda 1984-08-07
4383174 Pyroelectric detector and method for manufacturing the same Sadao Matsumura, Katsuyoshi Fukuta 1983-05-10
4371419 Method for producing a lithium tantalate single crystal Tsuguo Fukuda 1983-02-01
4280214 Wrist watch Shusaku Kunii 1981-07-21
4245200 Method of intermediate frequency filtration in a television receiver Sadao Takahashi, Sadao Matsumura 1981-01-13
4245201 Elastic surface wave device Sadao Takahashi, Sadao Matsumura 1981-01-13