Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7777115 | Keyboard musical instrument | Nariyasu Yaguchi | 2010-08-17 |
| 7667953 | Electrolytic capacitor | Shigeru Uzawa, Tetsushi Ogawara, Yoshishige Sakurai | 2010-02-23 |
| 7660101 | Electrolytic capacitor and electrolyte solution for use in an electrolytic capacitor | Toshikazu Iida, Takashi Nozawa, Taketo Matsuzawa, Tetsushi Ogawara, Shigeru Uzawa | 2010-02-09 |
| 7605319 | Keyboard apparatus | — | 2009-10-20 |
| 7539006 | Electrolytic solution for driving electrolytic capacitor and electrolytic capacitor | Tetsushi Ogawara, Shigeru Uzawa | 2009-05-26 |
| 7402738 | Wind musical instrument equipped with slide and supporting system for assisting player in performance | Shuichi Sawada, Hideo Suzuki, Yoshinori Hayashi, Nariyasu Yaguchi, Souichi Takigawa | 2008-07-22 |
| 7385134 | Wind musical instrument having pads for closing tone holes with mechanical assistance and supporting system used therein | Shuichi Sawada, Hideo Suzuki, Yoshinori Hayashi, Nariyasu Yaguchi, Souichi Takigawa | 2008-06-10 |
| 7279117 | Electrolytic capacitor and electrolyte solution for use in an electrolytic capacitor | Toshikazu Iida, Takashi Nozawa, Taketo Matsuzawa, Tetsushi Ogawara, Shigeru Uzawa | 2007-10-09 |
| 6919240 | Flat aluminum electrolytic capacitor and method of manufacturing the same | Shigeru Uzawa, Yoshiki Makino, Katsuhisa Kamakura, Yuuichi Kobayashi, Taketo Matsuzawa | 2005-07-19 |
| 6882519 | Flat aluminum electrolytic capacitor and method of manufacturing the same | Shigeru Uzawa, Yoshiki Makino, Katsuhisa Kamakura, Yuuichi Kobayashi, Taketo Matsuzawa | 2005-04-19 |
| 6349028 | Electrolytic capacitor | — | 2002-02-19 |
| 6288889 | Electrolytic solution for electrolytic capacitor and electrolytic capacitor using the same | Tetsushi Ogawara | 2001-09-11 |
| 6285543 | Electrolytic solution for use in electrolytic capacitor and electrolytic capacitor | Tetsushi Ogawara | 2001-09-04 |