Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7594613 | 2-dimensional code formation method and formation device | Kazuo Sato | 2009-09-29 |
| 5866669 | Sulfonated phenol-formaldehyde resin for paper-making | Hisao Takatsu, Seika Tay, Masafumi Yoshikawa | 1999-02-02 |
| 5714534 | Resin compositions having excellent antistatic properties | Nobumoto Kojima, Kouzo Ichikawa, Hideo Amemiya, Shinji Okajima, Takayoshi Sekido | 1998-02-03 |
| 4702554 | Coated optical fiber | Hiroshi Takahashi, Tetsuji Kakizaki, Koji Nishida | 1987-10-27 |