Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6004890 | Heat-resisting material | Takahisa Ueda, Terumasa Yamamoto, Tatsuo Yamazaki, Mamoru Shoji | 1999-12-21 |
| 4551397 | Zinc silicate phosphor and electron excited fluorescent display device using the phosphor | Tomoki Mikami, Takashi Hase | 1985-11-05 |
| 4473518 | Process for preparing a phosphor | Yukinori Minagawa | 1984-09-25 |
| 4210390 | Electrochromic composition and electrochromic display device using same | — | 1980-07-01 |
| 4192581 | Electrochromic display device | Haruhiro Kato | 1980-03-11 |