Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751656 | Apparatus and method for providing information about two-way computer communication services | Youji Kohda, Kazuki Matsui, Ryuichi Matsukura, Yasuhide Matsumoto, Iwao Otsuka +3 more | 2004-06-15 |
| 6734628 | Discharge lamp, lamp unit and image display apparatus | Tomoyuki Seki, Makoto Horiuchi, Makoto Kai, Tsuyoshi Ichibakase, Mamoru Takeda +1 more | 2004-05-11 |
| 6735615 | Status change notification system for use in chat system channel | Noboru Iwayama, Tatsuro Matsumoto, Hitoshi Yamauchi, Hidenobu Ito, Kazuki Matsui | 2004-05-11 |
| 6679746 | Method for producing discharge lamp and discharge lamp | Makoto Kai, Makoto Horiuchi, Tomoyuki Seki, Tsuyoshi Ichibakase, Mamoru Takeda +1 more | 2004-01-20 |