Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9941422 | Organic photoelectric conversion element and solar cell using the same | Yasushi Okubo, Ayako Wachi, Hiroshi Ishidai | 2018-04-10 |
| 9882072 | Solar cell and transparent electrode | Yasushi Okubo, Ayako Wachi, Hidekane Ozeki, Kazuhiro Yoshida, Takeshi Hakii | 2018-01-30 |
| 9871216 | Organic photoelectric conversion element and organic solar cell using the same | — | 2018-01-16 |
| 9666818 | Tandem-type organic photoelectric conversion element and solar battery | Yasushi Okubo, Noriko Yasukawa, Takamune Hattori | 2017-05-30 |
| 8967848 | Lighting device | Yasushi Okubo, Takahiko Nojima, Ayako Wachi | 2015-03-03 |
| 8912435 | Organic photoelectric conversion element | Ayako Wachi, Takahiko Nojima, Yasushi Okubo | 2014-12-16 |
| 8729387 | Organic photoelectric conversion element, solar cell and optical sensor array | Yasushi Okubo, Takahiko Nojima, Ayako Wachi | 2014-05-20 |
| 8664518 | Organic photoelectric conversion element and producing method of the same | Ayako Wachi, Takahiko Nojima, Yasushi Okubo | 2014-03-04 |
| 8546684 | Organic photoelectric conversion element and organic photoelectric conversion element manufacturing method | Takahiko Nojima, Yasushi Okubo, Ayako Wachi | 2013-10-01 |
| 8491725 | Cleaning method of coloring device of optical fiber, and coloring device of optical fiber | Kiyoshi Arima, Tatsuya Taniguchi | 2013-07-23 |
| 7437084 | Infrared radiation receiving circuit, electronic device, and infrared radiation receiving method | Naruichi Yokogawa, Takeshi Nishino, Ryosuke Kawashima | 2008-10-14 |
| 7359649 | Infrared transmitter circuit and electronic device | Naruichi Yokogawa, Takeshi Nishino, Ryosuke Kawashima | 2008-04-15 |
| 7287624 | Double deck elevator | Hideya Kohara, Masahir Hayakawa, Gen Yokoi | 2007-10-30 |
| 7157684 | Receiving circuit for free-space optical communication | Naruichi Yokogawa, Takao Matsui | 2007-01-02 |
| 7077240 | Covers between an upper cage and a lower cage of a double deck elevator | Hideya Kohara, Masahiro Hayakawa, Gen Yokoi | 2006-07-18 |
| 6710915 | Light amplifier device and optical pickup device employing it | — | 2004-03-23 |
| 6615952 | Double deck elevator | Hideya Kohara, Masahiro Hayakawa, Gen Yokoi | 2003-09-09 |
| 6267148 | Conductive resin tube and conductive polyamide resin composition | Kazutaka Katayama, Koyo Murakami | 2001-07-31 |
| 5405716 | Battery case and terminal cover | Morio Yoshimatsu | 1995-04-11 |
| 5306956 | Connecting system for supplying electrical power to a device in place of a battery along with the transmission of data signals from the device to monitoring apparatus, or supplying electrical power to a battery for the charging thereof | Tamon Ikeda, Yoshihiro Konno | 1994-04-26 |
| 5241140 | Speaker diaphragm | Kenzaburou Iijima, Toshiharu Hoshi | 1993-08-31 |
| 5234502 | Microwave plasma chemical vapor deposition apparatus comprising an inclined rotating substrate holder | Osamu Mochizuki, Toshiharu Hoshi | 1993-08-10 |
| 5183714 | Battery casing | Hidero Mitsui, Naoki Kamaya, Yuu Sasaki | 1993-02-02 |
| 5170196 | Portable projector | — | 1992-12-08 |
| 4993053 | Charge transfer device provided with an improved output stage | Kazuo Miwada | 1991-02-12 |