Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757447 | Fluorescent lamp for the color liquid crystal display device and a color liquid crystal display device | Seishi Kobayashi, Masanobu Okano | 1998-05-26 |
| 5289081 | Fluorescent lamp with phosphor having coated phosphor particles | Masaaki Tamatani, Hidenori Ito, Yoji Yuge, Kazuaki Nakagawa, Shigeru Ando +1 more | 1994-02-22 |
| 5051650 | Ultraviolet-suppressed light source, coating agent used in the same, and method for manufacturing the same | Keiji Hatakeyama, Kanehiro Saito, Mitsumasa Saito, Kazuhiko Osada | 1991-09-24 |
| 4929061 | Color liquid crystal display device | Mamoru Tominaga, Naoyuki Kokado, Katsuhiro Gonpei, Hisami Nira | 1990-05-29 |
| 4663563 | Halophosphate phosphor and fluorescent lamp using the same | Kazuo Narita, Yasuhiko Hagiwara, Keiji Hatakeyama | 1987-05-05 |
| 4534622 | Solid-state device having a plurality of optical functions | Nozomu Harada, Yasuhisa Oana, Keisuke Ogi, Koji Izawa, Masanori Sakamoto | 1985-08-13 |
| 4527087 | Fluorescent lamp | Kazuo Narita, Jun Akiyama, Masao Asada, Hisami Nira | 1985-07-02 |
| 4500443 | Blue-green emitting halophosphate phosphor | Kazuo Narita, Masao Asada, Yoshio Kimura | 1985-02-19 |
| 4397885 | Method and apparatus for treating fluorescent substance | Yoshimi Akai, Leo Mori, Kazuo Narita, Masahiko Hirose | 1983-08-09 |
| 4199707 | Fluorescent lamp | Junetsu Akiyama, Takayoshi Fuchida, Kazunori Nagafuchi, Kohtaro Kohmoto, Tomohiko Kobuya | 1980-04-22 |