Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1085328 | Nut ring for fishing rod reel seat | — | 2025-07-22 |
| D1084217 | Nut ring for fishing rod reel seat | — | 2025-07-15 |
| 8821651 | Method for surface treating a heat exchanger, hydrophilizing treatment agent, and aluminum heat exchanger | Tatsuo Yoshida, Masahiko Matsukawa, Miwa Iida | 2014-09-02 |
| 8824144 | Base for power module | Keiji Toh, Shogo Mori, Hideyasu Obara, Nobuhiro Wakabayashi, Shinobu Yamauchi | 2014-09-02 |
| 8815022 | Method for surface treating a heat exchanger, surface treatment agent, and aluminum heat exchanger | Tatsuo Yoshida, Masahiko Matsukawa | 2014-08-26 |
| 8411438 | Heat sink for power module | Hidehito Kubo, Masahiko Kimbara, Keiji Toh, Kota Otoshi, Eiji Kono +4 more | 2013-04-02 |
| 8387685 | Heat sink for power module | Masahiko Kimbara, Keiji Toh, Hidehito Kubo, Katsufumi Tanaka, Kota Otoshi +4 more | 2013-03-05 |
| 8198539 | Heat radiator and power module | Kota Otoshi, Eiji Kono, Keiji Toh, Katsufumi Tanaka, Yuichi Furukawa +3 more | 2012-06-12 |
| 8102652 | Base for power module | Keiji Toh, Shogo Mori, Hideyasu Obara, Nobuhiro Wakabayashi, Shinobu Yamauchi | 2012-01-24 |
| 7923833 | Semiconductor module | Yuichi Furukawa, Shinobu Yamauchi, Nobuhiro Wakabayashi, Keiji Toh, Eiji Kono +2 more | 2011-04-12 |
| 7438121 | Heat exchanger and method for manufacturing the same | Kazuhiko Minami, Daishi Tanaka | 2008-10-21 |
| 6554916 | Treatment method for making heat exchanger hydrophilic and heat exchanger treated to be hydrophilic | Masahiro Kojima, Takashi Sudo, Masahiko Matsukawa, Toshio Inbe, Tatsuo Yoshida | 2003-04-29 |