Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5191010 | Emulsion having dye developing property | Katsumi Inagaki, Masayoshi Sekiya | 1993-03-02 |
| 4613650 | Copolymer latex | Masayoshi Sekiya, Toshiro Ishizuka, Daiharu Maeda, Takahiro Shimazoe | 1986-09-23 |
| 4506416 | Paper clip | Kiyoshi Ohminato | 1985-03-26 |