Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880515 | Surface treatment method | Yukihiro Kusano, Kazuo Naito, Toshio Honda, Tomonobu Hata | 1989-11-14 |
| 4872932 | Method for making rubbery composite materials by plating a metal substrate with a cobalt alloy | Yukio Fukuura, Setsuo Akiyama, Makoto Nakamura, Kazuo Naito, Toshio Honda | 1989-10-10 |
| 4849138 | Method of producing alkali metal benzenesulfinates | Akira Onoe, Masao Kawamura, Kunioki Kato, Hirokazu Kagano | 1989-07-18 |