Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837080 | Rolled steel bar or rolled wire rod for cold-forged component | Naoki Matsui, Yutaka Neishi, Tetsushi Chida, Akihisa Obata, Keisuke CHIBA | 2020-11-17 |
| 10829842 | Rolled steel bar or rolled wire rod for cold-forged component | Naoki Matsui, Yutaka Neishi, Tetsushi Chida, Akihisa Obata, Keisuke CHIBA | 2020-11-10 |
| 5792712 | Microbicidal mat and methods of manufacturing and using the same | Satoru Toyoshima, Junichi Yamanaka, Akira Kawabata, Hiroaki MITSUHASHI, Yukio Ushiya +1 more | 1998-08-11 |
| 5238582 | Method of treating waste liquid | Koichi Tokuhisa | 1993-08-24 |
| 5156823 | Device for and method of treating waste liquid | Koichi Tokuhisa | 1992-10-20 |