Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8833206 | Wire sheath stripping machine | Yuko Sumino | 2014-09-16 |
| 7834828 | Led driving semiconductor apparatus provided with controller including regulator and drain current detector of switching element block | Ryutaro Arakawa, Yoshiaki Hachiya, Takashi Kunimatsu | 2010-11-16 |
| 7786644 | Electric rotary machine, armature, method of manufacturing electric rotary machine and machine for forming armature | Kazuyuki Kitou, Akiyasu Itoh, Katsunobu Inoue, Eiji Sakai | 2010-08-31 |
| 7638954 | Light emitting diode drive apparatus | Takashi Kunimatsu, Ryutaro Arakawa, Yoshiaki Hachiya | 2009-12-29 |
| 7508254 | Reference supply voltage circuit using more than two reference supply voltages | Yoshiaki Hachiya, Ryutaro Arakawa, Takashi Kunimatsu | 2009-03-24 |
| 7439719 | Switching control circuit with off period adjustment | Yoshiaki Hachiya, Ryutarou Arakawa, Takashi Kunimatsu | 2008-10-21 |
| 7348766 | Switching power supply device | Yoshiaki Hachiya, Ryutaro Arakawa, Takashi Kunimatsu | 2008-03-25 |
| 7145223 | Semiconductor device | Takashi Kunimatsu | 2006-12-05 |
| 6827623 | Manufacturing method of plasma display panels | Fumiaki Nakatake, Yoshitaka Ukai, Shinji Kanagu, Kazuhide Iwasaki, Akihiro Fujimoto | 2004-12-07 |
| 5922445 | Composite material and process for production of same | Minoru Yoshida, Shinichi Okajima | 1999-07-13 |
| 5298315 | Composite nonwoven fabric | Toshiko Kiyotaki | 1994-03-29 |
| 4942364 | Moisture and dew-detection sensor | Jun Nishijima | 1990-07-17 |
| 4715235 | Deformation sensitive electroconductive knitted or woven fabric and deformation sensitive electroconductive device comprising the same | Naoki Kataoka | 1987-12-29 |