Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5887430 | Hydraulic source and hydraulic machine | Junji Hirai, Yoshiji Hiraga, Hiroyuki Hamamoto, Kenji Hirose, Tatsuhiko Koba +1 more | 1999-03-30 |
| 5226637 | Clamping device | Ichiro Kitaura | 1993-07-13 |
| 5173088 | Process for preparing crystals of anhydrous sodium sulfide | Kannosuke Maeda | 1992-12-22 |
| 5071632 | Process for preparing crystals of anhydrous sodium sulfide | Kannosuke Maeda | 1991-12-10 |