Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437908 | Bathroom tissue and process for producing the same | Takeshi Demura, Sadayuki Aoki, Minoru Ihara | 1995-08-01 |
| 5029270 | Housing case for electromechanical equipment | Takayuki Shiraishi | 1991-07-02 |