Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7641357 | Light-emitting module and light-emitting system | Hiromasa Tanamura, Shinsuke Tachibana | 2010-01-05 |
| 7065996 | Rolling die for ball screw | Etsuo Koike | 2006-06-27 |
| 6993992 | Ball screw | Toru Kanda, Daisuke Maruyama | 2006-02-07 |
| 6880421 | Rolled ball screw and method for rolling ball screw groove | Yasumi Watanabe | 2005-04-19 |
| 6870088 | Solar battery cell and manufacturing method thereof | Shinsuke Tachibana | 2005-03-22 |
| 6822158 | Thin-film solar cell and manufacture method therefor | Takashi Ouchida | 2004-11-23 |
| 6722223 | Ball screw | Toru Kanda, Daisuke Maruyama | 2004-04-20 |
| 6708544 | Thread rolling die and process for the production thereof | — | 2004-03-23 |
| 6441300 | Solar battery module | Takashi Ouchida, Hajime Saitoh | 2002-08-27 |
| 6242686 | Photovoltaic device and process for producing the same | Katsushi Kishimoto, Takanori Nakano, Katsuhiko Nomoto | 2001-06-05 |
| 6009828 | Method for forming a thin semiconductor film and a plasma CVD apparatus to be used in the method | Takashi Tomita, Katsuhiko Nomoto, Yoshihiro Yamamoto, Sae Takagi | 2000-01-04 |
| 5964962 | Substrate for solar cell and method for producing the same; substrate treatment apparatus; and thin film solar cell and method for producing the same | Hiroshi Kumada, Minoru Murakami, Takashi Tomita | 1999-10-12 |
| 5797999 | Solar cell and method for fabricating the same | Takashi Tomita, Shunpei Yamazaki, Yasuyuki Arai | 1998-08-25 |
| 5618758 | Method for forming a thin semiconductor film and a plasma CVD apparatus to be used in the method | Takashi Tomita, Katsuhiko Nomoto, Yoshihiro Yamamoto, Sae Takagi | 1997-04-08 |
| 5136351 | Photovoltaic device with porous metal layer | Yasumi Inoue, Yukihiko Nakata, Manabu Itoh, Akitoshi Yokota, Sota Moriuchi | 1992-08-04 |
| 5104455 | Amorphous semiconductor solar cell | Akitoshi Yokota, Yukihiko Nakata, Sota Moriuchi, Yasumi Inoue, Manabu Itoh | 1992-04-14 |
| 4698658 | Amorphous semiconductor device | Masaya Hijikigawa | 1987-10-06 |