Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8735720 | Dye-sensitized photoelectric conversion device | Koichiro Shigaki, Masayoshi Kaneko, Takayuki Hoshi | 2014-05-27 |
| 8513520 | Dye-sensitized photovoltaic device comprising a ruthenium metal complex | Koichiro Shigaki, Masayoshi Kaneko | 2013-08-20 |
| 8338700 | Dye-sensitized photoelectric conversion device | Masaaki Ikeda, Koichiro Shigaki | 2012-12-25 |
| 8338701 | Dye-sensitized photoelectric conversion device | Masaaki Ikeda, Koichiro Shigaki | 2012-12-25 |
| 8227690 | Dye-sensitized photoelectric conversion device | Masaaki Ikeda, Koichiro Shigaki | 2012-07-24 |
| 8173892 | Dye-sensitized photoelectric conversion device and method for manufacturing same | Takayuki Hoshi, Tsutomu Namiki, Koichiro Shigaki, Masayoshi Kaneko | 2012-05-08 |
| 8022293 | Dye-sensitized photoelectic conversion devices | Koichiro Shigaki | 2011-09-20 |
| 8022294 | Dye-sensitized photoelectric conversion device | Koichiro Shigaki, Masayoshi Kaneko, Akira Maenosono, Takayuki Hoshi | 2011-09-20 |
| 7977570 | Dye-sensitized photoelectric conversion device | Koichiro Shigaki, Masayoshi Kaneko, Akira Maenosono, Takayuki Hoshi | 2011-07-12 |
| 7915524 | Sealing agent for photoelectric conversion device and photoelectric conversion device using the same | Koichiro Shigaki, Masaaki Ikeda | 2011-03-29 |
| 7851701 | Dye-sensitized photoelectric conversion device | Masaaki Ikeda, Koichiro Shigaki | 2010-12-14 |
| 7728222 | Dye-sensitized photoelectric conversion device | Masaaki Ikeda, Koichiro Shigaki | 2010-06-01 |
| 7141735 | Dye-sensitized photoelectric conversion device | Masaaki Ikeda, Koichiro Shigaki | 2006-11-28 |
| 6822159 | Dye-sensitized photoelectric conversion device | Masaaki Ikeda, Koichiro Shigaki, Shozo Yanagida | 2004-11-23 |
| 6766558 | Vacuum cleaner | Yukimichi Matsumoto, Hiroshi Ota | 2004-07-27 |
| 6742220 | Nozzle unit for vacuum cleaner | Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato +3 more | 2004-06-01 |
| 6553613 | Electric vacuum cleaner | Yuji Onishi, Kazumasa Hayashi, Kiyomu Nagai, Nobuharu Hikida | 2003-04-29 |
| 6345408 | Electric vacuum cleaner and nozzle unit therefor | Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato +3 more | 2002-02-12 |
| 5298795 | Current consumption control device | Atsuhiko Suzuki, Kyosuke Hashimoto, Osamu Michihira, Seiji Hirano | 1994-03-29 |
| 5143461 | Printer | Toshiharu Shimosato | 1992-09-01 |
| 5103725 | Printer with sheet feeding apparatus | Kazuaki Sugimoto, Tomio Nishijima, Yoshihiko Sugimoto, Masashi Suzuki, Izumi Matsushita | 1992-04-14 |
| 5090318 | Printer with sheet feeding apparatus | Kazuaki Sugimoto, Tomio Nishijima, Yoshihiko Sugimoto, Masashi Suzuki, Izumi Matsushita | 1992-02-25 |
| 5088405 | Printer with sheet feeding apparatus | Kazuaki Sugimoto, Tomio Nishijima, Yoshihiko Sugimoto, Masashi Suzuki, Izumi Matsushita | 1992-02-18 |
| 5056432 | Printer with sheet feeding apparatus | Kazuaki Sugimoto, Tomio Nishijima, Yoshihiko Sugimoto, Masashi Suzuki, Izumi Matsushita | 1991-10-15 |
| 5007340 | Printer with sheet feeding apparatus | Kazuaki Sugimoto, Tomio Nishijima, Yoshihiko Sugimoto, Masashi Suzuki, Izumi Matsushita | 1991-04-16 |