Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11984833 | Electric vehicle control device | Naoki Nishio, Takayoshi Miki, Shinsuke Kadoi, Hisanori Yamasaki, Sho Kato +1 more | 2024-05-14 |
| 11373799 | Choke coil | Katsuhiko Omae | 2022-06-28 |
| 11233441 | Rotating electric machine | Yutaro Kitagawa | 2022-01-25 |
| 10366826 | Dual-mode choke coil and high-frequency filter using same, and on-board motor integrated electric power steering and on-board charging device | Satoshi Yoneda, Katsuhiko Omae, Nobuyuki Haruna | 2019-07-30 |
| 9271432 | Power conversion device with reduced noise source current, reduced high frequency current and reduced resonance current | Ryo Yokozutsumi, Akihiro Murahashi, Takushi Jimichi, Satoshi Azuma | 2016-02-23 |
| 7187225 | Electronic control unit | Masaharu Yuhara, Kazuhito Okishio, Hiroshi Nakamura, Hisato Umemaru, Yoshimitsu Takahata +1 more | 2007-03-06 |
| 6969808 | Multi-layer printed board | — | 2005-11-29 |
| 5837565 | Semiconductor device | Takao Kuroda | 1998-11-17 |
| 5831296 | Semiconductor device | Takao Kuroda | 1998-11-03 |
| 5491709 | Semiconductor laser device | Yasuji Seko, Hiromi Otoma, Nobuaki Ueki, Hideki Fukunaga, Hideo Nakayama +1 more | 1996-02-13 |
| 5425041 | Multiquantum barrier laser having high electron and hole reflectivity of layers | Yasuji Seko, Kiichi Ueyanagi | 1995-06-13 |
| 5236547 | Method of forming a pattern in semiconductor device manufacturing process | Shigeki Takahashi | 1993-08-17 |
| 5047111 | Method of forming a metal silicide film | Akitoshi Ishizaka, Takashi Ohshima | 1991-09-10 |
| 4904989 | Display device | Makoto Matsui, Jun-ichi Ohwada, Eiichi Maruyama | 1990-02-27 |
| 4835583 | Semiconductor device having strained superlattice buffer layers with In-doped GaAs substrate | Makoto Morioka, Tomoyoshi Mishima, Kenji Hiruma, Yoshifumi Katayama | 1989-05-30 |
| 4805005 | Semiconductor device and manufacturing method of the same | Toshiyuki Usagawa, Yuichi Ono, Susumu Takahashi, Norikazu Hashimoto | 1989-02-14 |
| 4796068 | Semiconductor device having ultrahigh-mobility | Yoshifumi Katayama, Yoshimasa Murayama | 1989-01-03 |
| 4785340 | Semiconductor device having doping multilayer structure | Kiyokazu Nakagawa, Akitoshi Ishizaka, Yoshimasa Murayama | 1988-11-15 |
| 4759030 | Semiconductor laser | Yoshimasa Murayama, Yasutsugu Takeda, Michiharu Nakamura, Yoshifumi Katayama, Naoki Chinone | 1988-07-19 |
| 4673959 | Heterojunction FET with doubly-doped channel | Yoshifumi Katayama, Yoshimasa Murayama, Makoto Morioka, Yasushi Sawada, Tomoyoshi Mishima +2 more | 1987-06-16 |
| 4672406 | Semiconductor member and semiconductor device employing the same | Yasushi Sawada, Kiichi Ueyanagi, Yoshifumi Katayama, Makoto Morioka, Takao Kuroda +1 more | 1987-06-09 |
| 4605945 | Semiconductor device | Yoshifumi Katayama, Ken Yamaguchi, Yoshimasa Murayama, Yasushi Sawada, Toshiyuki Usagawa +1 more | 1986-08-12 |
| 4559547 | Semiconductor device | Yoshimasa Murayama, Yoshifumi Katayama, Eiichi Maruyama | 1985-12-17 |
| 4433202 | Thin film solar cell | Eiichi Maruyama, Toshikazu Shimada, Yoshifumi Katayama, Hirokazu Matsubara, Akitoshi Ishizaka +2 more | 1984-02-21 |
| 4351856 | Semiconductor device and method of manufacturing the same | Makoto Matsui, Yoshifumi Katayama, Toshihisa Tsukada, Eiichi Maruyama | 1982-09-28 |