Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645961 | Zinc anode can of a battery, method of manufacture thereof, and manganese dry battery using such zinc can prepared by such method | Yoshiteru Nakagawa, Shinji Nittono, Takaaki Yasumura, Chihiro Murata, Kuniyoshi Nishida +2 more | 1997-07-08 |
| 5183517 | Permanent magnet composition | Takaaki Yasumura, Teruo Kiyomiya, Yasutoshi Mizuno | 1993-02-02 |
| 5135375 | Apparatus for packing permanent magnet powder | Yoshio Matsuo, Hirofumi Nakano, Masakuni Kamiya | 1992-08-04 |