Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12223237 | Generation method, estimation method, generator, and estimator | Nobuo Hara, Koichi Wakitani, Akihisa Nakahashi | 2025-02-11 |
| 5891682 | Radiation dosimeter and method of making and using | James D. Regan | 1999-04-06 |
| 5670186 | Injection molding machine provided molding with a display unit | Koichi Nishimura, Hideki Koyama, Susumu Ito | 1997-09-23 |
| 5164840 | Apparatus for supplying control codes to sound field reproduction apparatus | Akihisa Kawamura, Masaharu Matsumoto, Mitsuhiko Serikawa, Ryo Tagami, Katsuaki Sato +1 more | 1992-11-17 |
| 5144673 | Reflection sound compression apparatus | Masaharu Matsumoto, Mitsuhiko Serikawa, Akihisa Kawamura, Katsuaki Sato | 1992-09-01 |
| 5073942 | Sound field control apparatus | Mitsuhiko Serikawa, Akihisa Kawamura, Masaharu Matsumoto, Katsuaki Sato | 1991-12-17 |