Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10518492 | Method for manufacturing rubber crawler | — | 2019-12-31 | |
| 4337334 | Process for production of phenolic resin from bisphenol-A by-products | Yoshiro Shimizu, Toshio Itakura, Kunio Hanauye | 1982-06-29 | $10,000 |