Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8404617 | Photocatalyst material, photocatalyst composition using the same and photocatalyst product | Kayo Nakano, Akira Sato, Yasuhiro Shirakawa, Masami Okamura, Ryotaro Matsuda +4 more | 2013-03-26 |
| 6861787 | Ultraviolet ray lamp and sterilizers and cleaners using the lamp | Ryoutarou Matsuda, Akiko Saito | 2005-03-01 |
| 6448712 | High-pressure discharge lamp | Hisashi Honda, Seiji Ashida, Kiyoshi Saita, Akira Itoh, Shigehisa Kawatsuru +1 more | 2002-09-10 |
| 6249086 | High-pressure discharge lamp including a limited amount of carbon remaining on an electrode surface | Hisashi Honda, Seiji Ashida, Kiyoshi Saita, Akira Itoh, Shigehisa Kawatsuru +1 more | 2001-06-19 |
| 6242752 | Photocatalyst, light source and lighting device | Ryuji Soma, Hisashi Honda, Tsutomu Watanabe, Hiroshi Kamata, Akiko Saitou +1 more | 2001-06-05 |
| 6057635 | Low-pressure mercury vapor-filled discharge lamp, luminaire and display device | Kiyoshi Nishimura, Kunio Yuasa, Masuo Shibuya, Masami Takagi, Naoki Tsutsui +2 more | 2000-05-02 |
| 4634919 | Bulb | Yooji Yuge, Tokuyoshi Saito, Takeshi Ishii | 1987-01-06 |