Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094763 | Hydraulic fluid composition for power steering containing a phosphorous compound and a thiadiazole derivative | Hiroshi Tochigi, Hiroto Kikuchi | 1992-03-10 |
| 4345102 | Process for producing ethylene glycol mono-t-butyl ether | Tadashi Matsumoto, Osamu Kuratani, Susumu Toba | 1982-08-17 |
| 4299997 | Process for producing ethylene glycol mono-tert-butyl ether | Tadashi Matsumoto, Osamu Kuratani, Susumu Toba | 1981-11-10 |
| 4287804 | Electronic musical instrument with timbre selection | — | 1981-09-08 |