Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8283291 | Herbicidal composition | Yoshihiro Yamaji, Masanori Kobayashi, Ryo Hanai | 2012-10-09 |
| 8110530 | Herbicidal composition | Yoshihiro Yamaji, Masanori Kobayashi, Ryo Hanai | 2012-02-07 |
| 7245081 | High-intensity discharge lamp with particular metal halide gas filling and lighting device | Seiji Ashida, Shinji Atago, Satoshi Iwasawa | 2007-07-17 |
| 6774566 | High pressure discharge lamp and luminaire | Seiji Ashida | 2004-08-10 |
| 6713961 | High-intensity discharge lamp, system for lighting the lamp and lighting appliance using the lamp | Sadao Sakaguchi, Seiji Ashida, Shigehisa Kawatburu, Kazuhiro Miyagawa | 2004-03-30 |
| 6661176 | High pressure discharge lamp, high pressure discharge lamp lighting apparatus and luminaire therefor | Sadao Sakuguchi, Masazumi Ishida, Seiji Ashida, Shigemi Oku, Takahito Kashiwagi | 2003-12-09 |
| D482142 | Lamp bulb | Masazumi Ishida, Sadao Sakaguchi | 2003-11-11 |
| 6515422 | Photo catalyzer and discharge lamp having a photo catalytic layer | — | 2003-02-04 |
| D464445 | Lamp bulb | Seiji Ashida | 2002-10-15 |
| 6448712 | High-pressure discharge lamp | Seiji Ashida, Kiyoshi Saita, Ariyoshi Ishizaki, Akira Itoh, Shigehisa Kawatsuru +1 more | 2002-09-10 |
| 6388394 | High-intensity discharge lamp lighting device and lighting system | Kazutoshi Mita, Seiji Ashida | 2002-05-14 |
| 6307321 | High-pressure discharge lamp and lighting apparatus | Seiji Ashida | 2001-10-23 |
| 6300716 | High-intensity discharge lamp, high-intensity discharge lamp device, high-intensity discharge lamp lighting circuit and lighting system | — | 2001-10-09 |
| 6249086 | High-pressure discharge lamp including a limited amount of carbon remaining on an electrode surface | Seiji Ashida, Kiyoshi Saita, Ariyoshi Ishizaki, Akira Itoh, Shigehisa Kawatsuru +1 more | 2001-06-19 |
| 6242752 | Photocatalyst, light source and lighting device | Ryuji Soma, Ariyoshi Ishizaki, Tsutomu Watanabe, Hiroshi Kamata, Akiko Saitou +1 more | 2001-06-05 |
| 5801483 | Fluorescent lamp having visible and UV radiation | Miho Watanabe, Keiji Hatakeyama, Yuichi Sakakiabra, Akiko Saitou | 1998-09-01 |
| 5512798 | Low-pressure mercury vapor discharge lamp and illuminating apparatus utilizing same | — | 1996-04-30 |
| 5318753 | Container for holding disposable tips and package accommodating the container | — | 1994-06-07 |
| 5147127 | Liquid crystal display apparatus | Yoji Yuge | 1992-09-15 |
| 5138539 | Fluorescent lamp device | Katsuhide Misono | 1992-08-11 |
| 5051648 | Flat type low pressure gas discharge lamp | Katsuhide Misono | 1991-09-24 |