Issued Patents 1994
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359066 | Certain tricyclic pyrido[3,2,1-ij]cinnoline-8-carboxylates, useful as antimicrobial agents | Hideo Tsutsumi, Takeshi Terasawa, David Barrett, Masayoshi Murata, Kazuo Sakane +1 more | 1994-10-25 |
| 5353671 | Upright piano with key action mechanism responsive to repetition without double strike and loss of sound | Hajime Hayashida | 1994-10-11 |
| 5354349 | Method for manufacturing of organic fertilizers | — | 1994-10-11 |
| 5323039 | Non-volatile semiconductor memory and method of manufacturing the same | Masamichi Asano, Hiroshi Iwahashi, Ryouhei Kirisawa, Ryozo Nakayama, Riichiro Shirota +2 more | 1994-06-21 |
| 5320925 | Electrophotographic toner composition | Takashi Imai, Masanori Ichimura, Yutaka Sugizaki, Susumu Saito, Masaru Miura +4 more | 1994-06-14 |
| 5296324 | Toner for developing electrostatic charge image and process for preparing the same | Hideyuki Akagi, Susumu Saito, Masaru Miura, Takashi Imai, Masayuki Takei +6 more | 1994-03-22 |
| 5287787 | Upright piano for constant key-touch regardless of manipulation of soft pedal | — | 1994-02-22 |