Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8351760 | Controller, recording device and menu display method | Shiro Iwasaki, Kentaro Tanikawa | 2013-01-08 |
| 6725088 | Female physical condition managing apparatus | Michiko Baba | 2004-04-20 |
| 6656130 | Female physical condition managing apparatus | Tomoko Takehara, Tamaki Shoji, Michiko Baba | 2003-12-02 |
| 6305491 | Speaker | Mikio Iwasa, Hiroyuki Takewa, Mitsuhiro Hasegawa | 2001-10-23 |
| 6259935 | Electro-mechanical-acoustic transducing device | Shuji Saiki, Sawako Usuki, Mitsukazu Kuze | 2001-07-10 |
| 5073946 | Thin speaker having an enclosure with an open portion and a closed portion | Katsuaki Satoh, Kousaku Murata, Tsuneo Tanaka, Shuji Saiki, Satoshi Takayama +6 more | 1991-12-17 |
| 5025474 | Speaker system with image projection screen | Tsuneo Tanaka, Hiroyuki Takewa, Akira Kurozuka, Tadashi Tamura, Katsuji Hattori +6 more | 1991-06-18 |
| 4930596 | Loudspeaker system | Syuji Saiki, Kazuki Honda | 1990-06-05 |
| 4893695 | Speaker system | Tadashi Tamura, Shuji Saiki | 1990-01-16 |
| 4426556 | Electrodynamic loudspeaker | Shuji Saiki, Katuaki Sato, Seiichi Ishikawa, Hideaki Inoue, Tsuneo Tanaka | 1984-01-17 |
| 4300655 | Acoustic diaphragm for speakers and method of producing the same | Naraji Sakamoto, Shuji Saiki, Kousaku Murata, Hiroshi Yamamoto | 1981-11-17 |
| 4239945 | Sealed headphone | Nobuhisa Atoji, Shoichi Kusomoto | 1980-12-16 |
| 4211898 | Headphone with two resonant peaks for simulating loudspeaker reproduction | Nobuhisa Atoji, Takashi Matsumoto, Shoichi Kusumoto, Mitsuhiro Hasegawa | 1980-07-08 |