Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371680 | Accounting book automatic entering device | Manabu Mizutani, Gousuke Anno, Shoji Takada | 1994-12-06 |
| 5271781 | Method of making a thermoplastic sheet with cement particles for use on concrete structures | Kanji Katsukawa | 1993-12-21 |