Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10522763 | Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazine | Takuma Yasuda, In Seob PARK, Yu Seok Yang, Yukio Fukushima | 2019-12-31 |
| 10497878 | Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazine | Takuma Yasuda, In Seob PARK, Yu Seok Yang, Yukio Fukushima | 2019-12-03 |
| 10399960 | Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazine | Takuma Yasuda, In Seob PARK, Yu Seok Yang, Yukio Fukushima | 2019-09-03 |
| 7079175 | Television intercom system | Tatsuru Shinozaki, Toshitaka Iwata | 2006-07-18 |
| 7075394 | Electromagnetic drive flow controller | Noboru Matsusaka, Hiroshi Kawaguchi, Kenichi Oishi | 2006-07-11 |
| 6879670 | Collective housing intercom apparatus | Tatsuru Shinozaki | 2005-04-12 |
| 6722627 | Electromagnetic valve device and manufacturing method thereof | Yoshiyuki Murao, Futoshi Kawamura, Sanemasa Kawabata | 2004-04-20 |
| 6671360 | Intercom system for a building or apartment house | Tatsuru Shinozaki, Kengo Nakata | 2003-12-30 |
| 6070964 | Multicolor printing device | — | 2000-06-06 |
| 5355441 | Printing control apparatus | Sunao Kawai, Hiroyuki Sasaki, Kousuke Fukaya, Yoshiyuki Ban, Ryohei Komiya | 1994-10-11 |
| 5315691 | Print control apparatus | Kousuke Fukaya, Sunao Kawai, Hiroyuki Sasaki, Yoshiyuki Ban, Ryohei Komiya +1 more | 1994-05-24 |
| 5136153 | Color image forming apparatus having image intensifier unit | Ryohei Komiya, Mayumi Ishikawa, Fumihiro Sunda, Yoshiyuki Ban | 1992-08-04 |