HS

Hitoshi Sakuma

Tdk: 17 patents #321 of 3,796Top 9%
Mitsubishi Electric: 15 patents #1,633 of 25,717Top 7%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
KS Kobe Steel: 2 patents #504 of 2,031Top 25%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
JK Jidosha Denki Kogyo K.K.: 1 patents #16 of 56Top 30%
AC Aisin Keikinzoku Co.: 1 patents #40 of 85Top 50%
KS Kobe Steel: 1 patents #937 of 1,773Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
AC Aisin Takaoka Co.: 1 patents #59 of 172Top 35%
DT Daido Tokushuko: 1 patents #152 of 382Top 40%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
Overall (All Time): #70,228 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
8163576 Nitride semiconductor device having a silicon-containing layer and manufacturing method thereof Katsuomi Shiozawa, Kyozo Kanamoto, Kazushige Kawasaki, Yuji Abe 2012-04-24
7964424 Method for manufacturing nitride semiconductor light-emitting element Kyozo Kanamoto, Katsuomi Shiozawa, Kazushige Kawasaki, Shinji Abe 2011-06-21
7897418 Method for manufacturing semiconductor light emitting device Takafumi Oka, Masatsugu Kusunoki, Kazushige Kawasaki, Shinji Abe 2011-03-01
7879635 Method for manufacturing semiconductor optical device Toshihiko Shiga 2011-02-01
7795738 Nitride semiconductor device Katsuomi Shiozawa, Kyozo Kanamoto, Hiroshi Kurokawa, Yasunori Tokuda, Kyosuke Kuramoto 2010-09-14
7791097 Nitride semiconductor device and manufacturing method of the same Kyozo Kanamoto, Katsuomi Shiozawa, Kazushige Kawasaki, Junichi Horie, Toshihiko Shiga +1 more 2010-09-07
7785697 Thin film device Taku Masai, Kyung-Ku Choi, Toshiyasu Fujiwara 2010-08-31
7714439 Nitride semiconductor device and method of manufacturing the same Katsuomi Shiozawa, Kazushige Kawasaki, Toshihiko Shiga, Toshiyuki Oishi 2010-05-11
7683398 Nitride semiconductor device having a silicon-containing connection layer and manufacturing method thereof Katsuomi Shiozawa, Kyozo Kanamoto, Kazushige Kawasaki, Yuji Abe 2010-03-23
7582908 Nitride semiconductor device and manufacturing method thereof Kyozo Kanamoto, Katsuomi Shiozawa, Kazushige Kawasaki, Yoshiyuki Suehiro 2009-09-01
7261307 Suspension arm Kazunobu Nuno, Kazunari Azuchi, Kiyohito Gyobu 2007-08-28
6812197 Iron-based cleaning powder Kenji Kawai, Yoshikazu Seki, Masaaki Matsubara, Yasuko Yakou, Koji Yamamoto 2004-11-02
5610957 Reactor core coolant flow rate control system for a BWR type nuclear power plant Naoshi Tanikawa, Tetsuya Miyakawa, Toichi Shida, Kimiko Isono 1997-03-11
5328658 Method of refining chromium-containing steel Osamu Egawa, Yoshihiro Naito 1994-07-12
5286275 Powder mixture for powder metallurgy and binder therefor Masahiro Murakami, Hironori Suzuki, Takehiko Hayami, Jiro Chosokabe 1994-02-15
5132338 Powder mixture used for powder metallurgy Takehiko Hayami, Jiro Chosokabe 1992-07-21
5105134 Wiper apparatus interlocking to washer Hiroyuki Shimizu, Sadayoshi Sugiyama, Fumio Nakajima 1992-04-14
5080208 Shift lever apparatus for automatic transmission of vehicle Tadao Muramatsu, Shozo Kito, Shoichi Harada 1992-01-14