Issued Patents All Time
Showing 76–86 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6324085 | Power converter apparatus and related method | Tomonori Kimura, Takaharu Takeshita | 2001-11-27 |
| 6169680 | Switching power source with a digital control circuit to maintain a constant DC output signal | Koichiro Miura, Shigetaka Maeyama, Takaharu Takeshita | 2001-01-02 |
| 6115266 | Switching power source with a digital control circuit to maintain a constant DC output signal | Koichiro Miura, Shigetaka Maeyama, Takaharu Takeshita | 2000-09-05 |
| 5280729 | Magnetostrictive torque detecting apparatus | Hiroyuki Aoki, Munekatsu Shimada, Itaru Shibata, Mikiya Shinohara, Masashi Mizuno +3 more | 1994-01-25 |
| 5272883 | Method and apparatus for maintenance of indoor ski slopes | Kazunobu Abe, Makoto Kayo, Osamu Sakaguchi, Itsuko Sakaguchi, legal representative, Yasuharu Kiso +1 more | 1993-12-28 |
| 5235144 | Linear motor driven elevator | Kazuyoshi UCHIDA, Tadahiro Shimazu | 1993-08-10 |
| 5197570 | Linear motor driven elevator with passing function | — | 1993-03-30 |
| 5158021 | Ski lift with variable speed linear motor drive and emergency stop apparatus responsive to power loss to the drive | Tatsuyuki Ochi | 1992-10-27 |
| 5022792 | Undergrond continuous impervious wall and method for installing same | Shozo Konno | 1991-06-11 |
| 4909674 | Underground continuous impervious wall and method for installing same | Shozo Konno | 1990-03-20 |
| 4790531 | Indoor ski slope and apparatus for making snow thereon | Shinichi Yokota, Kazuo Otsuka, Shuhei Mizote, Tadashi Yoshida, Hachiro Nonaka +1 more | 1988-12-13 |