Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11542885 | Load drive circuit and load drive system | Yasuo Shima, Takeo Yamashita | 2023-01-03 |
| 10910815 | Electronic control unit | Takayasu Matsushita | 2021-02-02 |
| 10393051 | Internal-combustion-engine fuel injection control device | Takao Fukuda, Hideyuki Sakamoto, Masahiro Toyohara, Osamu Mukaihara, Mitsuhiko Watanabe +1 more | 2019-08-27 |
| 9422884 | Internal combustion engine control system with injector valve timing control | Takao Fukuda, Masahiro Toyohara | 2016-08-23 |
| 9382891 | Engine control apparatus | Osamu Mukaihara | 2016-07-05 |
| 9082866 | Semiconductor storage device and method of manufacturing the same | Takeshi Sakaguchi, Hirokazu Sugiyama, Shinichi Sotome, Tadayoshi Watanabe, Koichi Matsuno +1 more | 2015-07-14 |
| 8865856 | Toner resins for electronic copying purposes | Hiroyasu Kanno, Torii Yoshinori, Ema Kenji | 2014-10-21 |
| 8862367 | Control system of internal combustion engine | Masahiro Toyohara | 2014-10-14 |
| 7603297 | Inventory management method, system and program | Tomoyuki Yoshida, Genichiro Iguchi | 2009-10-13 |
| 6940884 | Semiconductor laser device and fabricating method thereof | Yoshinori Ohitsu, Keisuke Miyazaki | 2005-09-06 |
| 6771586 | Semiconductor laser element, method for manufacturing the same, and optical pickup using the same | — | 2004-08-03 |
| 6618415 | Semiconductor laser device and fabricating method thereof | Yoshinori Ohitsu, Keisuke Miyazaki | 2003-09-09 |
| 6502388 | Engine exhaust gas cleaning system | Yutaka Takaku, Toshio Ishii, Shigeru Kawamoto, Shinji Nakagawa, Minoru Oosuga | 2003-01-07 |
| 6383267 | Exhaust gas cleaning system for an engine | Yutaka Takaku, Shigeru Kawamoto, Shinji Nakagawa, Toshio Ishii, Minoru Ohsuga | 2002-05-07 |
| 6357224 | Engine exhaust gas purifying apparatus | Shigeru Kawamoto, Yutaka Takaku, Toshio Ishii, Shinji Nakagawa, Minoru Oosuga | 2002-03-19 |
| 6176968 | Method and apparatus for producing semiconductor laser device | — | 2001-01-23 |
| 5872020 | Method for producing semiconductor laser device | — | 1999-02-16 |
| 5387804 | Light emitting diode | Akira Suzuki, Katsuki Furukawa, Mitsuhiro Shigeta | 1995-02-07 |
| 5329141 | Light emitting diode | Akira Suzuki, Hajime Saito, Katsuki Furukawa, Yoshimitsu Tajima | 1994-07-12 |
| 5319220 | Silicon carbide semiconductor device | Akira Suzuki, Katsuki Furukawa, Mitsuhiro Shigeta, Atsuko Ogura | 1994-06-07 |
| 5313078 | Multi-layer silicon carbide light emitting diode having a PN junction | Hajime Saito, Akira Suzuki | 1994-05-17 |
| 5279701 | Method for the growth of silicon carbide single crystals | Mitsuhiro Shigeta, Akira Suzuki, Katsuki Furukawa | 1994-01-18 |
| 5243204 | Silicon carbide light emitting diode and a method for the same | Akira Suzuki, Katsuki Furukawa | 1993-09-07 |
| 5230768 | Method for the production of SiC single crystals by using a specific substrate crystal orientation | Katsuki Furukawa, Akira Suzuki | 1993-07-27 |
| 5216264 | Silicon carbide MOS type field-effect transistor with at least one of the source and drain regions is formed by the use of a schottky contact | Akira Suzuki, Katsuki Furukawa, Mitsuhiro Shigeta | 1993-06-01 |