Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D592208 | Controller for digital video disk player | Hironori Oishi | 2009-05-12 |
| 7500755 | Display apparatus and image processing system | Wataru Takahashi, Kuniko Ushiro, Yuki Nagai | 2009-03-10 |
| D586308 | Digital video disk player | — | 2009-02-10 |
| D584282 | Volume adjuster | Shuji Natori | 2009-01-06 |
| D555638 | Device for mixing sounds of musical instruments | Takekazu Iijima | 2007-11-20 |
| D555637 | Device for mixing sounds of musical instruments | Takekazu Iijima | 2007-11-20 |
| D526643 | Speaker | — | 2006-08-15 |
| D518022 | Digital audio disc player | — | 2006-03-28 |
| D512409 | Digital video disc player equipped with mixing function | — | 2005-12-06 |
| D511767 | Device for mixing sounds of musical instruments | Wataru Takahashi | 2005-11-22 |
| D500307 | Device for effecting changes in sound of musical instruments | — | 2004-12-28 |
| 5304261 | Method of fabricating a channel box or other part for a nuclear reactor | Nobukazu Yamamoto, Kouichi Matsumoto, Junjiro Nakajima, Hideo Maki, Hiromasa Hirakawa +4 more | 1994-04-19 |
| 5297177 | Fuel assembly, components thereof and method of manufacture | Masahisa Inagaki, Masayoshi Kanno, Hiromasa Hirakawa, Nobukazu Yamamoto, Hideo Maki +3 more | 1994-03-22 |
| 5265139 | Fuel assembly | Yoshihiko Yanagi, Junjiro Nakajima, Kenji Kanamori, Hajime Umehara, Yasuhiro Aizawa +2 more | 1993-11-23 |
| 5164153 | Control rod assembly for a boiling water reactor | Takashi Fukumoto, Hiromasa Hirakawa, Norio Kawashima, Yasuhiro Aizawa | 1992-11-17 |
| D291988 | Speaker | — | 1987-09-22 |
| D281158 | Loudspeaker | — | 1985-10-29 |
| D273008 | Speaker | — | 1984-03-13 |
| D269871 | Loudspeaker | — | 1983-07-26 |
| D269872 | Loudspeaker | — | 1983-07-26 |
| D264209 | Loudspeaker | — | 1982-05-04 |