Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7901264 | Process for producing double helical glass tube, light-emitting tube for fluorescent lamp, and fluorescent lamp | Kenji Nakano | 2011-03-08 |
| D577132 | Fluorescent lamp | Yoshinori Kakuno, Kouichi Katase, Junichi Takahashi | 2008-09-16 |
| 7423370 | Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lamp | Shiro Iida, Tatsuhiro Yabuki | 2008-09-09 |
| 7332866 | Arc tube and low-pressure mercury lamp that can be reduced in size | Akiko Nakanishi, Kohhei Iwase, Kenji Nakano, Seidou Tani, Noriyuki Uchida | 2008-02-19 |
| D561386 | Base for fluorescent lamp | Yoshinori Kakuno, Kouichi Katase, Junichi Takahashi | 2008-02-05 |
| D561356 | Fluorescent lamp | Yoshinori Kakuno, Kouichi Katase, Junichi Takahashi | 2008-02-05 |
| 7321190 | Low-pressure mercury lamp having a spiral arc tube and method for assembling the same | Akiko Nakanishi, Yoshinori Kakuno, Shiro Iida | 2008-01-22 |
| D560288 | Fluorescent lamp | Tamotsu Ando, Shogo Takahashi, Akira Takahashi | 2008-01-22 |
| D560289 | Fluorescent lamp | Tamotsu Ando, Shogo Takahashi, Akira Takahashi | 2008-01-22 |
| D560290 | Fluorescent lamp | Tamotsu Ando, Shogo Takahashi, Akira Takahashi | 2008-01-22 |
| D542426 | Fluorescent lamp | Yuji Tsuneto, Shiro Iida | 2007-05-08 |
| 7196462 | Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lamp | Shiro Iida, Tatsuhiro Yabuki | 2007-03-27 |
| D532124 | Fluorescent lamp | Kohei Iwase | 2006-11-14 |
| 7088056 | Bulb type electrodeless fluorescent lamp | Toshiaki Kurachi | 2006-08-08 |
| 7074104 | Low-pressure mercury vapor discharge lamp with improved heat dissipation, and manufacturing method therefore | Takeshi Matsumura, Yoshinori Kakuno | 2006-07-11 |
| 7064488 | Easily-assembled compact self-ballasted fluorescent lamp | Yasushige Tomiyoshi, Akiko Nakanishi | 2006-06-20 |
| 7059929 | Arc tube manufacturing method that reduces unevenness in thickness of a phosphor layer on an inner surface of a bent glass tube | Shiro Iida, Toyokazu Amano | 2006-06-13 |
| D520651 | Fluorescent lamp | Akiko Nakanishi, Yasushige Tomiyoshi | 2006-05-09 |
| D520652 | Fluorescent lamp | Akiko Nakanishi, Yasushige Tomiyoshi | 2006-05-09 |
| D520151 | Fluorescent lamp | Akiko Nakanishi, Yasushige Tomiyoshi | 2006-05-02 |
| 7021985 | Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lamp | Shiro Iida, Tatsuhiro Yabuki | 2006-04-04 |
| 6984926 | Compact self-ballasted fluorescent lamp resistant to heat deformation | Yuji Tsuneto, Hiroki Nakagawa, Akiko Nakanishi, Kenji Nakano, Kohhei Iwase +3 more | 2006-01-10 |
| 6979940 | Electrodeless discharge lamp | Toshiaki Kurachi | 2005-12-27 |
| 6972514 | Low-pressure mercury vapor discharge lamp with improved heat dissipation, and manufacturing method therefore | Takeshi Matsumura, Yoshinori Kakuno | 2005-12-06 |
| 6768254 | Self-ballasted electrodeless discharge lamp and electrodeless discharge lamp | Takeshi Arakawa, Mitsuharu Kawasaki, Kiyoshi Hashimotodani, Kenichiro Takahashi, Koji Miyazaki +2 more | 2004-07-27 |