Issued Patents 1982
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365089 | Synthesis of urea | Hidetsugu Fujii, Shigeru Inoue | 1982-12-21 |
| 4354040 | Process for synthesizing urea | Shigeru Inoue, Hidetsugu Fujii | 1982-10-12 |
| 4334315 | Wireless transmitting and receiving systems including ear microphones | Kazutoshi Mizoi | 1982-06-08 |
| 4327331 | Audio amplifier device | Toshikazu Yoshimi | 1982-04-27 |
| 4321410 | Method of stripping unreacted materials in urea synthesis process | Hidetsugu Fujii, Haruyuki Morikawa, Akito Fukui | 1982-03-23 |
| 4311856 | Process for synthesizing urea | Shigeru Inoue, Akito Fukui, Haruyuki Morikawa | 1982-01-19 |