Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6909552 | Three-dimensional image calculating method, three-dimensional image generating method and three-dimensional image display device | Takeyoshi Dohi, Nobuhiko Hata, Hongen Liao, Yoichi Katayama | 2005-06-21 |
| 6626828 | Body cavity-observing apparatus | Takeyoshi Dohi, Ichiro Sakuma, Etsuko Kobayashi | 2003-09-30 |
| 5140443 | Image scanning apparatus | Tadayoshi Miyoshi, Shigeaki Tada, Takashi Kuriyama, Itsuo Takanashi, Ichiro Shishido +1 more | 1992-08-18 |
| 4831452 | Image pickup device having a photoconductive optical modulator element | Itsuo Takanashi, Shintaro Nakagaki, Hirohiko Shinonaga, Masato Furuya, Tsutou Asakura | 1989-05-16 |
| 4739418 | Information signal recording disc recorded with stereoscopic television signal | Kiyoaki Suzuki, Hidetsugu Suzuki, Atsushi Sakamoto | 1988-04-19 |
| 4703506 | Directional microphone apparatus | Atsushi Sakamoto | 1987-10-27 |
| 4696043 | Microphone apparatus having a variable directivity pattern | Naotaka Miyaji, Atsushi Sakamoto | 1987-09-22 |
| 4672434 | Stereoscopic television system and apparatus with 4 to 1 interlace display | Kiyoaki Suzuki, Hidetsugu Suzuki, Atsushi Sakamoto | 1987-06-09 |
| 4628525 | M-S type stereophonic microphone | Hiroshi Ogawa | 1986-12-09 |
| 4559642 | Phased-array sound pickup apparatus | Naotaka Miyaji, Atsushi Sakamoto | 1985-12-17 |
| 4521908 | Phased-array sound pickup apparatus having no unwanted response pattern | Naotaka Miyaji, Atsushi Sakamoto | 1985-06-04 |
| 4349698 | Audio signal translation with no delay elements | — | 1982-09-14 |
| 4238744 | Frequency band dividing filter using delay-line filter | — | 1980-12-09 |
| 4209665 | Audio signal translation for loudspeaker and headphone sound reproduction | — | 1980-06-24 |
| 4199658 | Binaural sound reproduction system | — | 1980-04-22 |
| 4192969 | Stage-expanded stereophonic sound reproduction | — | 1980-03-11 |
| 4188504 | Signal processing circuit for binaural signals | Masao Kasuga, Nobuaki Takahashi, Masaaki Sato, Kohji Seki, Toshinori Mori | 1980-02-12 |