KK

Kiyoshi Koyama

SC Sanyo Electric Co.: 3 patents #1,910 of 6,347Top 35%
Bridgestone: 2 patents #1,066 of 2,860Top 40%
FL Fujitsu Ten Limited: 2 patents #266 of 996Top 30%
DL Denso Ten Limited: 1 patents #150 of 359Top 45%
SC Sanyo Electric Air Conditioning Co.: 1 patents #9 of 42Top 25%
Overall (All Time): #633,052 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10587142 Charge control device 2020-03-10
9543834 Switching regulator, electronic device, and electronic circuit Ryoh Izumoto 2017-01-10
9362770 Device control apparatus and device control method Kenji Tada, Kenji Furukawa, Tohru Mikamo, Toshihito Sawai, Hideshi Nishizawa +4 more 2016-06-07
6601773 Heat pump type hot water supply apparatus Masanobu Saitoh, Yoshinori Touya, Sadahiro Takizawa, Kazuaki Shikichi, Shigeya Ishigaki +5 more 2003-08-05
6158954 Cross-flow fan and an air-conditioner using it Noriyuki Nabeshima, Tomohito Takada, Michihiro Kurokawa, Tomohito Koizumi, Yoshinori Toya +1 more 2000-12-12
6030108 Waterproof lighting apparatus Minoru Ishiharada, Itsuo Tanuma, Kazuo Naito, Yasuhiko Matsumuro, Takao Aoki 2000-02-29
5379609 Air conditioner having air filter Kensuke Matsumoto, Yasutomo Akutu, Masao Koseki, Michio Kurakami, Yoshiyuki Kitamura 1995-01-10
5333227 Optical waveguide hose Minoru Ishiharada, Rikuhei Itou, Itsuo Tanuma, Kazuo Naito, Yasuhiko Matsumuro +1 more 1994-07-26