Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780180 | Nonflammable paper | Kentaro Nakahara, Katsuaki Kaneko | 1988-10-25 |
| 4645548 | Process for producing non-combustible gypsum board and non-combustible laminated gypsum board | Katsuaki Kaneko, Kokyo Kusunoki, Toshinobu Ichiba | 1987-02-24 |
| 4544424 | Gypsum board manufacturing method | Katuaki Kaneko, Sigeo Otozaki | 1985-10-01 |