Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797848 | Anthracene derivative and organic electroluminescence device using the derivative | Chishio Hosokawa, Masakazu Funahashi | 2004-09-28 |
| 6743948 | Organic electroluminescent device | Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga | 2004-06-01 |
| 6534199 | Organic electroluminescence device and organic light emitting medium | Chishio Hosokawa, Hisahiro Higashi, Kenichi Fukuoka | 2003-03-18 |
| 6489046 | Organic electroluminescence device | Hidetoshi Koga, Yoshinori Yanagisawa, Sanae Tagami | 2002-12-03 |
| 6472816 | Electroluminescent module with flexible, insulating resin layer and connecting electrodes in facing opposite sides | Yoshikatsu Dobuchi | 2002-10-29 |
| 6455176 | Fluorescence-reddening membrane and red-emitting device using same | Mitsuru Eida, Jun Tsuchiya | 2002-09-24 |
| 6221517 | Fluorescence-reddening membrane and red-emitting device | Mitsuru Eida, Jun Tsuchiya | 2001-04-24 |
| 6159904 | Pyrazole derivatives | Masashi Sakamoto, Hideki Kamano, Hiroshi Yamamoto | 2000-12-12 |
| 5452270 | Melody alarm timepiece | Makoto Yanaka | 1995-09-19 |
| D335098 | Clock movement | Makoto Yanaka | 1993-04-27 |
| D335100 | Clock movement | Nobuhiro Goto, Koichi Miyagi | 1993-04-27 |
| D335099 | Clock movement | Nobuhiro Goto | 1993-04-27 |
| 4995022 | Power supply device for hand with luminescence element | Shoichiro Kumazawa, Satoru Yamauchi, Isato Watanabe, Kouichi Miyagi | 1991-02-19 |
| D303228 | Clock movement | Tsuyoshi Hayakawa | 1989-09-05 |
| 4728505 | Process for producing gallium-containing solution from the aluminum smelting dust | Akio Era, Shingo Matsui | 1988-03-01 |
| 4639355 | Process for recovering gallium from aluminum smelting dust | Shingo Matsui, Akio Era, Sanji Nishimura | 1987-01-27 |