Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645788 | Chloroprene rubber composition | Tadaoki Okumoto, Masayoshi Ichikawa, Masaaki Tsuchihashi, Koichi Sakai | 1987-02-24 |
| 4573693 | Dust boot with multiple layer construction of bellows | Tadaoki Okumoto, Mikio Ukai, Takamasa Suzuki, Tomoyoshi Yamada | 1986-03-04 |