Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10549949 | Elevator derailment detection device | — | 2020-02-04 |
| 10351389 | Elevator | — | 2019-07-16 |
| 9868616 | Double-deck elevator | — | 2018-01-16 |
| 7178636 | Elevator system | Kazuhiro Yoshikawa | 2007-02-20 |
| 5653312 | Elevator governor | — | 1997-08-05 |
| 5653948 | Method for calcining fine limestone powder | Sozo Nakazawa | 1997-08-05 |
| 5355273 | Auxiliary power unit for use with a motor vehicle | Nobuyuki Yoshizawa, Noriyuki Suzuki | 1994-10-11 |
| 5109958 | Brake unit for an elevator hoist apparatus | Yasumasa Iida, Takenobu Honda, Kazuhiko Sugita, Shinji Yamasaki | 1992-05-05 |
| 4972572 | IC sheet cutting press and IC sheet processing apparatus using the same | Tatsuo Kimura, Yukio Kato, Sousuke Yamada, Masao Matsumoto, Shigeo Arai +3 more | 1990-11-27 |
| 4459464 | Electric cigar lighter | Akira Oda, Takashi Ozaki, Masahiko Kato, Teiji Kanamori | 1984-07-10 |
| 4415535 | Apparatus for refining metal carbides containing free carbon | Yoshiki Sugiyama, Ryo Enomoto | 1983-11-15 |
| 4406102 | Precast concrete silo complex and a method of constructing it | Yoshihide Tamura | 1983-09-27 |
| 4327067 | Method for refining metal carbides containing free carbon | Yoshiki Sugiyama, Ryo Enomoto | 1982-04-27 |
| 4317836 | 4-6-Dimethyl-7-keto-nonan-3-ol and sex attractant comprising the same | Tatsuji Chuman, Masahiro Kono | 1982-03-02 |