Issued Patents All Time
Showing 276–292 of 292 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878865 | Outboard propulsion unit supporting system for boat | Novuo Makihara, Norimasa Kawamura | 1989-11-07 |
| 4825003 | Production process of 2-chloropropionaldehyde | Takaharu Kasuga, Shinji Kiyono, Yoshihiro Fujita | 1989-04-25 |
| 4654445 | Preparation process of 2-chloropropionaldehyde | Kanemitsu Miyama, Takaharu Kasuga | 1987-03-31 |
| 4610864 | Method of continuously producing powder of silicon compound useful as ceramics material | Tohru Kuramoto, Toshiharu Miki, Kozo Nishino | 1986-09-09 |
| 4569948 | Preparation process of acetic acid | Masao Hashimoto, Eiiti Sugiyama, Kenji Fujiwara, Kenji Yoshida | 1986-02-11 |
| 4504679 | Process for synthesizing urea | Shigeru Inoue, Akito Fukui, Hidetsugu Fujii, Haruyuki Morikawa, Suguru Watanabe | 1985-03-12 |
| 4409435 | Hearing aid suitable for use under noisy circumstance | — | 1983-10-11 |
| 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 |
| 4301299 | Synthesis of urea | Shigeru Inoue | 1981-11-17 |
| 4246738 | Air chuck for capping or uncapping machine | — | 1981-01-27 |
| 4212960 | Epoxy resin composition | Osamu Hayashi, Kazuo Okahashi | 1980-07-15 |
| 4202766 | Process for removing oil particles from waste water containing the same | Toyoyasu Saida, Kunimitsu Fukumura | 1980-05-13 |