Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671929 | Austenitic stainless steel with improved resistance to corrosion by nitric acid | Haruhiko Kajimura, Hiroo Nagano | 1987-06-09 |
| 4640817 | Dual-phase stainless steel with improved resistance to corrosion by nitric acid | Haruhiko Kajimura, Hiroo Nagano | 1987-02-03 |
| 4244843 | Covulcanized rubber | Kenjiro Hashimoto, Shinichi Takagi, Harunori Okamoto | 1981-01-13 |
| 4209596 | Two step process for producing vulcanized rubber | Kenjiro Hashimoto, Shinichi Takagi, Harunori Okamoto | 1980-06-24 |