Issued Patents All Time
Showing 76–93 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881890 | Musical tone generating apparatus and method for generating musical tone on the basis of detection of pitch of input vibration signal | — | 2005-04-19 |
| 6765142 | Electronic keyboard musical instrument | Masaki Kudo, Kozo Tokuda | 2004-07-20 |
| 6700050 | Bi-directional serial bus system for constructing electronic musical instrument | Akira Iizuka, Harumichi Hotta, Shizuhiko Kawai, Kozo Tokuda, Masaki Kudo | 2004-03-02 |
| 6546968 | Bond magnet and manufacturing method thereof, and actuator therewith | Katsutoshi Nakagawa, Fumiyuki Kawashima, Takao Sawa, Tomohisa Arai | 2003-04-15 |
| 6475302 | Permanent magnet | Wu Mei, Toshiya Sakamoto, Takao Sawa, Akihiko Tsutai, Akiko Saito +1 more | 2002-11-05 |
| 6468440 | Magnet powder and method for producing the same, and bonded magnet using the same | Tomohisa Arai, Masami Okamura, Keisuke Hashimoto, Takahiro Hirai | 2002-10-22 |
| 6416593 | Magnetic material and manufacturing method thereof, and bonded magnet using the same | Tomohisa Arai, Masami Okamura, Keisuke Hashimoto, Takahiro Hirai | 2002-07-09 |
| 6406559 | Magnetic material and manufacturing method thereof, and bonded magnet using the same | Takahiro Hirai, Keisuke Hashimoto, Tomohisa Arai | 2002-06-18 |
| 6317020 | Bond magnet and manufacturing method thereof, and actuator therewith | Katsutoshi Nakagawa, Fumiyuki Kawashima, Takao Sawa, Tomohisa Arai | 2001-11-13 |
| 6290782 | Magnetic material and manufacturing method thereof, and bonded magnet using the same | Tomohisa Arai, Masami Okamura, Keisuke Hashimoto, Takahiro Hirai | 2001-09-18 |
| 5968290 | Permanent magnet material and bonded magnet | Tomohisa Arai, Keisuke Hashimoto, Takahiro Hirai | 1999-10-19 |
| 5968289 | Permanent magnetic material and bond magnet | Tomohisa Arai, Keisuke Hashimoto, Takahiro Hirai | 1999-10-19 |
| 5716462 | Magnetic material and bonded magnet | Akihiko Tsutai, Takahiro Hirai, Yoshitaka Yanagita, Masashi Sahashi, Tomohisa Arai +1 more | 1998-02-10 |
| 5658396 | Magnetic material | Takahiro Hirai, Akihiko Tsutai | 1997-08-19 |
| 5549766 | Magnetic material | Akihiko Tsutai, Takahiro Hirai | 1996-08-27 |
| 5482573 | Magnetic material | Takahiro Hirai, Akihiko Tsutai, Masashi Sahashi, Hideo Nagai, Tsutomu Yamashita | 1996-01-09 |
| 5480495 | Magnetic material | Takahiro Hirai, Akihiko Tsutai, Masashi Sahashi | 1996-01-02 |
| 5456769 | Magnetic material | Takahiro Hirai, Akihiko Tsutai | 1995-10-10 |