HI

Hiroyuki Ichikawa

Canon: 47 patents #820 of 19,416Top 5%
TI Tokai Rubber Industries: 25 patents #9 of 557Top 2%
Aisin Seiki Kabushiki Kaisha: 22 patents #77 of 3,782Top 3%
SL Sumitomo Riko Company Limited: 9 patents #10 of 446Top 3%
TO Toyota: 7 patents #4,145 of 26,838Top 20%
Nissan Motor Co.: 5 patents #1,472 of 8,689Top 20%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
SC Sanyo Electric Co.: 4 patents #1,493 of 6,347Top 25%
SC Sanyo Optec Design Co.: 4 patents #6 of 42Top 15%
AK Aisin Seiki K.K.: 3 patents #6 of 97Top 7%
IL Isuzu Motors Limited: 3 patents #175 of 908Top 20%
DE Denso: 3 patents #3,857 of 11,792Top 35%
NL Nippon Sheet Glass Company, Limited: 2 patents #332 of 836Top 40%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SO Sony: 2 patents #12,963 of 25,231Top 55%
NT NTT: 2 patents #2,095 of 4,871Top 45%
NT Ntn: 1 patents #814 of 1,364Top 60%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
TC Toshiba Ceramics Co.: 1 patents #190 of 458Top 45%
HC Hitachi Plant Engineering & Construction Co.: 1 patents #53 of 194Top 30%
Overall (All Time): #8,172 of 4,157,543Top 1%
132
Patents All Time

Issued Patents All Time

Showing 1–25 of 132 patents

Patent #TitleCo-InventorsDate
11820431 Vehicle body damper brace Munehiro Wada, Takashi Kume 2023-11-21
11279418 Vehicle-use resin module and method of manufacturing vehicle-use resin module Takashi Kume, Munehiro Wada 2022-03-22
11167632 Vibration-damping device Takayoshi Yasuda, Yoshinori Watanabe, Naoki Furumachi, Keishi HATANAKA, Yuji Matsubara +1 more 2021-11-09
10794446 Vibration damping device Naoki Furumachi, Takayoshi Yasuda 2020-10-06
10529574 Process of forming electron device having gate electrode Tomohiro Yoshida 2020-01-07
9551396 Vibration damping device Noriaki Yoshii, Hiroki Mizukawa, Yorishige Shimizu, Katsuhiko Katagiri, Shinji Komura 2017-01-24
9394964 Fluid-filled vibration damping device Takayoshi Yasuda, Akio Saiki 2016-07-19
9390701 Active vibration or noise suppression system Takayoshi Yasuda, Katsuhiro Goto 2016-07-12
9360079 Vibration damping device Takayoshi Yasuda, Akio Saiki 2016-06-07
9175739 Engine mount and power unit vibration damping support structure Masahiro Ohnishi, Akio Saiki, Takayoshi Yasuda, Nobuya Yoshida, Hiroshi Miya 2015-11-03
9159821 Nitride semiconductor device with limited instantaneous current reduction Ken Nakata, Keiichi Yui, Tsuyoshi Kouchi 2015-10-13
9029873 Semiconductor device including an aluminum nitride layer having a calculated area-averaged circularity and a method of manufacturing the device Ken Nakata, Keiichi Yui, Tsuyoshi Kouchi, Isao Makabe 2015-05-12
8993416 Method of manufacturing semiconductor device Keiichi Yui, Ken Nakata, Isao Makabe 2015-03-31
8573570 Fluid-filled vibration damping device Yuichi Ogawa, Naoki Furumachi, Katsuhiro Sakurai, Nobuya Yoshida 2013-11-05
8559289 Optical pickup apparatus Yuki Koshimizu 2013-10-15
8424854 Fluid-filled type vibration damping device Yuichi Ogawa, Naoki Furumachi 2013-04-23
8385182 Optical pickup apparatus Yuki Koshimizu 2013-02-26
8223614 Method of manufacturing synthetic resin lens, method of manufacturing reformed synthetic resin material and optical pickup apparatus Tohru Hotta, Ryoichi Kawasaki 2012-07-17
8212261 SiC semiconductor device with BPSG insulation film Hideki Kawahara, Hiroki Nakamura 2012-07-03
7898929 Objective lens, and method of manufacturing the same and optical pickup apparatus Tohru Hotta, Ryoichi Kawasaki 2011-03-01
7810798 Electromagnetic actuator for active vibration damping device Yoshinori Watanabe, Takayoshi Yasuda, Motoshi Sakurai 2010-10-12
7756619 Active vibration insulator Takayoshi Yasuda, Hideki Oshima, Takehiko Fushimi, Daichi Mizushima, Kenichi Sato 2010-07-13
7743744 Air intake device for vehicle internal combustion engine 2010-06-29
7747353 Method of setting control data in an active vibration isolation control system and a control method thereof Daichi Mizushima, Takehiko Fushimi, Atsushi Muramatsu 2010-06-29
7735129 Firewall device Kazuhiko Nagata, Taisuke Oka, Ryoichi Suzuki, Takashi Ikegawa, Tadashi Ishikawa 2010-06-08