Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7903170 | Imaging apparatus | — | 2011-03-08 |
| 7825646 | Step-up converter | Takuya Ishii, Mikio Motomori, Junichi Morita, Takashi Ryu, Masaaki Koto +2 more | 2010-11-02 |
| 7550957 | DC-DC converter and control circuit thereof | Takuya Ishii, Hiroki Akashi, Yoshiyuki Konishi | 2009-06-23 |
| 7541859 | Charge pump circuit | Hiroki Akashi, Takuya Ishii, Yoshiyuki Konishi | 2009-06-02 |
| 7482789 | Step-up converter | Mikio Motomori, Takuya Ishii, Takashi Ryu, Hiroki Akashi, Hirohisa Tanabe +1 more | 2009-01-27 |
| 7391199 | DC-DC converter | Hiroki Akashi, Takashi Ryu, Takuya Ishii, Mikio Motomori, Hirohisa Tanabe +1 more | 2008-06-24 |
| 7294994 | Power supply | Takashi Ryu, Takuya Ishii, Mikio Motomori, Hiroki Akashi, Hirohisa Tanabe +1 more | 2007-11-13 |
| 7075275 | DC-DC converter | Mikio Motomori, Takuya Ishii, Takashi Ryu, Hiroki Akashi, Hirohisa Tanabe +1 more | 2006-07-11 |
| 6596556 | Light emitting diode and a method for manufacturing the same | — | 2003-07-22 |
| 6420734 | Light emitting diode and a method manufacturing the same | — | 2002-07-16 |
| 6102780 | Substrate polishing apparatus and method for polishing semiconductor substrate | — | 2000-08-15 |
| 5955748 | End face light emitting type light emitting diode | Yukio Nakamura, Mitsuhiko Ogihara, Masumi Taninaka, Takao Kusano, Masumi Koizumi +3 more | 1999-09-21 |
| 5869848 | End face light-emitting-type LED, end face light-emitting-type LED array and methods of manufacturing them | Masaharu Nobori, Hiroyuki Fujiwara, Masumi Koizumi, Aya Yamanaka, Yukio Nakamura | 1999-02-09 |
| 5866439 | Method of fabricating an end face light emitting type light-emitting diode and a light-emitting diode array device | Masaharu Nobori, Hiroyuki Fujiwara, Masumi Koizumi | 1999-02-02 |
| D293438 | Telephone | — | 1987-12-29 |