Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690726 | Dimethylaluminum hydride composition, process for producing the same and method of reducing viscosity of dimethylaluminum hydride | Tadaaki Yako | 1997-11-25 |
| 5607240 | Bearing sealing device and bearing sealing mechanism capable of preventing the leakage of grease | Masatosi Taniyama, Kunio Yanai, Hiroshi Ueno | 1997-03-04 |