Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644982 | Printing press | Kazuyuki Koura, Takuji Tsugawa | 1997-07-08 |
| 5630364 | Printing press | Kazuyuki Koura, Takuji Tsugawa | 1997-05-20 |
| 5541357 | Electronic instrument for synthesizing sound based on waveforms of different frequencies | Hiroshi Sato, Gen Izumisawa, Kiyomichi Kushimiya | 1996-07-30 |
| 5458061 | Printing press | Kazuyuki Koura, Takuji Tsugawa | 1995-10-17 |
| 5428183 | Tone signal generating apparatus for performing a timbre change by storing a full frequency band in a wave memory | Eiji Matsuda, Hiroshi Kitagawa, Gen Izumisawa | 1995-06-27 |
| 4225166 | Lock striker with retractable keeper bar | Yoshimasa Tsuchiya | 1980-09-30 |