Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10272334 | Program and system | Daisuke Motohashi | 2019-04-30 |
| 5633935 | Stereo ultradirectional microphone apparatus | Takeo Kanamori, Junichi Tagawa, Satoru Ibaraki, Hiroki Furukawa | 1997-05-27 |
| 5563954 | Microphone apparatus | Satoru Ibaraki, Yuji Yamashina | 1996-10-08 |
| 5526430 | Pressure gradient type microphone apparatus with acoustic terminals provided by acoustic passages | Satoru Ibaraki, Yuji Yamashina | 1996-06-11 |
| 5226087 | Microphone apparatus | Michio Matsumoto, Hiroyuki Naono, Hiroshi Kobayashi, Yuji Yamashina | 1993-07-06 |
| 5193117 | Microphone apparatus | Michio Matsumoto, Hiroyuki Naono, Hiroshi Kobayashi, Yuuji Yamashina | 1993-03-09 |