Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9666808 | Organic electroluminescence element | Atsushi Matsunaga | 2017-05-30 |
| 8330151 | Organic electroluminescent element | — | 2012-12-11 |
| 8217392 | Organic electroluminescence element | — | 2012-07-10 |
| 8183586 | Organic electroluminescence device and luminescence apparatus | — | 2012-05-22 |
| 8174001 | Organic electroluminescence element | Manabu Tobise, Masaru Kinoshita | 2012-05-08 |
| 8049407 | Organic electroluminescent element including blue phosphorescent luminescent material | Jiro Tsukahara, Tatsuya Igarashi, Toshihiro Ise | 2011-11-01 |
| 7800301 | Organic electroluminescent device comprising a prism structure | Shun-ichi Ishikawa, Sanpei Iida, Takayuki Fujiwara | 2010-09-21 |
| 7749616 | Organic electroluminescent element and display device using the same | Kazuki Yamazaki, Masayuki Mishima | 2010-07-06 |
| 7560729 | Organic electroluminescent device for improved luminous efficiency and chromaticity | Masayuki Mishima | 2009-07-14 |
| 7453204 | Light emitting element with light-emitting material in different concentrations | — | 2008-11-18 |
| 6715123 | Real-time recording system and real-time recording method | Masashi Yamawaki | 2004-03-30 |
| 6293870 | Friction element for a damper disc having a friction adjusting element | Tamio Nagano, Saburo Nakanishi, Hideyuki Imanaka, Hiroshi Uehara | 2001-09-25 |
| 6210280 | Damper disc assembly having non-rotatable spring seats | Tamio Nagano, Saburo Nakanishi, Hideyuki Imanaka, Hiroshi Uehara | 2001-04-03 |
| 6004213 | Damper disc assembly having spring seats for changing a phase relationship of the disc assembly | Tamio Nagano, Saburo Nakanishi, Hideyuki Imanaka, Hiroshi Uehara | 1999-12-21 |
| 5954585 | Damper disc assembly having friction elements each having a different coefficient of friction | Tamio Nagano, Saburo Nakanishi, Hideyuki Imanaka, Hiroshi Uehara | 1999-09-21 |
| 4719645 | Rotary anode assembly for an X-ray source | Masaki Yamabe, Yasuo Furukawa, Toshihiko Osada | 1988-01-12 |
| 4603754 | Drive system for engine-driven light vehicles | Takushi Matsutoh, Goroei Wakatsuki, Takeo Ishihara | 1986-08-05 |