Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584202 | Photovoltaic element | Shuhei Yamamoto, Satoru Shimomura | 2020-03-10 |
| 10388876 | Organic semiconductor composition, photovoltaic element, photoelectric conversion device, and method of manufacturing photovoltaic element | Shuhei Yamamoto | 2019-08-20 |
| 9331282 | Conjugated polymer, and electron donating organic material, material for photovoltaic device and photovoltaic device using the conjugated polymer | Nobuhiro Watanabe, Shuhei Yamamoto, Satoru Shimomura | 2016-05-03 |
| 9205576 | Image forming optical system, imaging apparatus, profile measuring apparatus, structure manufacturing system and structure manufacturing method | Patrick Blanckaert | 2015-12-08 |
| 8558108 | Electron donating material, material for photovoltaic devices and photovoltaic device | Shuhei Yamamoto, Jun Tsukamoto | 2013-10-15 |
| 8530889 | Carbon nanotube composite, organic semiconductor composite, and field-effect transistor | Yukari Jo, Seiichiro Murase, Jun Tsukamoto | 2013-09-10 |
| 8501901 | Material for photovoltaic device, and photovoltaic device | Shuhei Yamamoto, Nobuhiro Watanabe, Jun Tsukamoto | 2013-08-06 |
| 8269099 | Electron donating organic material for photovoltaic devices, material for photovoltaic devices, and photovoltaic device | Jun Tsukamoto, Yukari Jo | 2012-09-18 |
| 8114529 | Material for lighting emitting device and light emitting device | Tsuyoshi Tominaga, Mariko Sano, Takeshi Ishigaki, Kazunori Sugimoto | 2012-02-14 |
| 8111652 | Base station, radio communication system, and communication method | Lan Chen, Hidetoshi Kayama, Narumi Umeda | 2012-02-07 |
| 8084146 | Light-emitting device material and light-emitting device | Seiichiro Murase, Kazumasa Nagao, Kazunori Sugimoto, Tsuyoshi Tominaga | 2011-12-27 |
| 7970349 | Packet communication system, packet communication method, base station, mobile station, control device, and packet communication program | Lan Chen, Hidetoshi Kayama, Narumi Umeda | 2011-06-28 |
| 7901794 | Material for light-emitting element and light emitting element | Kazunori Sugimoto, Seiichiro Murase, Kazumasa Nagao, Takafumi Ogawa, Tsuyoshi Tominaga | 2011-03-08 |
| 7801482 | Packet communication system, packet communication method, base station, mobile station, control device, and packet communication program | Lan Chen, Hidetoshi Kayama, Narumi Umeda | 2010-09-21 |
| 7710977 | Allocation of radio resources to packets in accordance with service qualities under radio communication environment | Lan Chen, Hidetoshi Kayama, Narumi Umeda | 2010-05-04 |
| 7532572 | Packet communications system, base station and mobile station | Lan Chen, Hidetoshi Kayama, Narumi Umeda | 2009-05-12 |
| 7483710 | Transmission power control method, communication device, and radio communication system | Lan Chen, Hidetoshi Kayama, Narumi Umeda | 2009-01-27 |
| 7471927 | Packet communication system, packet communication method, base station, mobile station, controller and packet communication program | Lan Chen, Hidetoshi Kayama, Narumi Umeda | 2008-12-30 |
| 7318966 | Luminescent element material and luminescent element comprising the same | Tsuyoshi Tominaga, Aki Makiyama, Akira Kohama | 2008-01-15 |
| 7155234 | Connection acceptance control scheme by obtaining available quality value | Hijin Sato, Narumi Umeda | 2006-12-26 |
| 7130636 | Wireless communication apparatus and wireless channel assignment method | Hijin Sato, Narumi Umeda | 2006-10-31 |
| 6921589 | Electroluminescent elements | Akira Kohama, Tsuyoshi Tominaga, Yoshio Himeshima | 2005-07-26 |