Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8546015 | Battery can and alkaline battery | Shigeyuki Kuniya | 2013-10-01 |
| 8361650 | Sealing gasket for alkaline dry cell | Masato Nakamura, Yuji Tsuchida | 2013-01-29 |
| 7745038 | Alkaline dry battery and sealing gasket therefor | Itsue Yoshioka, Kiyohide Tsutsui, Yuji Tsuchida, Tatsuya Yamazaki, Yuji Takahashi +2 more | 2010-06-29 |
| 6631544 | Method for installing end member to hollow shaft member | — | 2003-10-14 |
| 6422948 | Hollow shaft member fitted to member with hole | — | 2002-07-23 |
| 5429574 | Shaft member for business machines and the like and its manufacturing method | — | 1995-07-04 |
| 4967462 | Method of manufacturing an integrated light-weight solid metal shaft and an integrated light-weight metal pipe shaft for use in a business machine, and the integrated light-weight solid metal shaft and a similar pipe shaft manufactured by the same method | — | 1990-11-06 |