MI

Masami Ishikawa

TO Toyota: 17 patents #1,469 of 26,838Top 6%
AC Aisin Aw Co.: 5 patents #393 of 2,011Top 20%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Samsung: 3 patents #30,683 of 75,807Top 45%
HC Hitachi Koki Co.: 3 patents #334 of 888Top 40%
TY Takemoto Yushi: 2 patents #50 of 157Top 35%
NC Nitto Chemical Industry Co.: 1 patents #86 of 179Top 50%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
RS Ricoh Printing Systems: 1 patents #97 of 200Top 50%
TP The Pokemon: 1 patents #9 of 15Top 60%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
EC Equos Research Co.: 1 patents #34 of 97Top 40%
EC Ebara-Udylite Co.: 1 patents #10 of 32Top 35%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KR Kabushikikaisha Equos Research: 1 patents #52 of 103Top 55%
Overall (All Time): #81,304 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
12404825 Blow-by gas recirculation device 2025-09-02
12297912 Flow rate control valve 2025-05-13
12152516 Internal combustion engine 2024-11-26
11998066 Kigurumi staging support apparatus, kigurumi staging support system, and kigurumi staging support method Junichi YAMAGIWA, Kana Takizawa, Miki Sakurai, Masafumi Nakamura 2024-06-04
11834974 Oil separator for internal combustion engine Chiaki Hiramatsu 2023-12-05
11598232 PCV valve coupling structure Naritsune Miyanaga, Yoji Horiuchi, Hideto Morishita 2023-03-07
11549413 Internal combustion engine 2023-01-10
11466611 Vehicular internal combustion engine 2022-10-11
11220940 Internal combustion engine 2022-01-11
11125126 Lubricant supply apparatus for internal combustion engine Koichiro Kimura 2021-09-21
10989081 Blow-by gas treatment device for internal combustion engine 2021-04-27
10934906 Blow-by gas treating device 2021-03-02
10871092 Blow-by gas treatment device for internal combustion engine 2020-12-22
10774706 Internal combustion engine Kosuke Sogawa 2020-09-15
10526940 Blow-by gas treatment device for internal combustion engine Shigeru Shibanuma 2020-01-07
10202042 Electric vehicle power conversion system Futoshi YAMANE, Mitsutoshi Muraoka, Taro Yoshida, Yoshinari Murayama, Kenji Furusawa 2019-02-12
10046646 Power conversion system for electric vehicles Futoshi YAMANE, Yoshinari Murayama, Mitsutoshi Muraoka, Taro Yoshida, Kenji Furusawa 2018-08-14
10012190 Pump cover Kiyoshi Tawata 2018-07-03
9403438 Control device for hybrid vehicle and control method for hybrid vehicle Futoshi YAMANE, Yoshinari Murayama, Mitsutoshi Muraoka, Taro Yoshida, Kenji Furusawa 2016-08-02
7187098 Axial gap rotating electrical machine Masahiro Hasebe, Akira Mizuno 2007-03-06
7090956 Image forming method and image forming apparatus Katsuhiko Suzuki, Tsuneaki Kawanishi, Teruaki Mitsuya, Hisao Okada, Masayoshi Ishii 2006-08-15
7084591 Electric drive control device, electric drive control method, and program of same Yasuhiko Kobayashi 2006-08-01
7047116 Electric drive control apparatus, electric drive control method and program therefor Ken Iwatsuki 2006-05-16
6518182 Via-filling process Hideki Hagiwara, Ryoichi Kimizuka 2003-02-11
6313812 Single remote control system for plurality of audio and visual equipment Shuichi Nagano, Akira Katsuyama, Hiroshi Koyama, Takashi Ishizuka, Keiichi Asakura +3 more 2001-11-06