Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352923 | Process for polymerizing formaldehyde | Hisashi Kono, Kenji Terai, Katumi Uemura, Sumio Ohta, Yoshiichi Yamamoto | 1982-10-05 |
| 4217127 | Process for producing urea granules | Hisashi Kono, Shigeyuki Nakai, Norimichi Minemura, Tetsuo Okita, Sigeru Kawamura | 1980-08-12 |