Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827567 | Powder compression molding method and apparatus and dry cell | Shigeharu Hattori, Saburo Nakatsuka, Hiroshi Takebayashi, Toshio Sanukiya | 2004-12-07 |
| 6820745 | Package of cylindrical article and production method therefor | Tadashi Ono, Katsuhiko Kumakura, Tomotaka Kawano, Shoji Katori | 2004-11-23 |