Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11642714 | Progressive pressing method, progressive pressing device, manufacturing method for fuel cell separators and manufacturing apparatus for fuel cell separators | Yuichi Hori, Kei Matsumoto, Seitaro Nakamura | 2023-05-09 |
| 11583906 | Manufacturing method for fuel cell separator, and manufacturing apparatus for fuel cell separator | Yuichi Hori, Kei Matsumoto, Seitaro Nakamura | 2023-02-21 |
| 11515560 | Progressive pressing device and manufacturing apparatus for fuel cell separators | Yuichi Hori, Kei Matsumoto, Seitaro Nakamura | 2022-11-29 |
| 11444358 | Manufacturing method for fuel cell separators and manufacturing apparatus for fuel cell separators | Yuichi Hori, Kei Matsumoto, Seitaro Nakamura | 2022-09-13 |
| 11018482 | Coating-peeling apparatus of rectangular conductor wire | Keiichiro Oka, Yosuke Komatsu, Kenji Masai, Junya Shigeno | 2021-05-25 |
| 10530211 | Coil winding component and rotary electric machine | Kenji Kitamura | 2020-01-07 |
| 8628839 | Recording medium | Tsukasa Matsuda, Eizo Kurihara, Shoji Yamaguchi, Kunihiro Takahashi, Mario Fuse +2 more | 2014-01-14 |
| 7687127 | Electrophotographic recording sheet and label paper | Tamio Shikano, Ichiro Ohkawachi, Hiroshi Koike | 2010-03-30 |
| 7344283 | Optical reflector and planar light source device | Takahiko Ueda, Hiroshi Koyama | 2008-03-18 |
| 7298438 | Semitransparent reflector | Takahiko Ueda, Hiroshi Koyama | 2007-11-20 |
| 7166338 | Optically semi-transmission reflection material | Hiroshi Koyama | 2007-01-23 |
| 7004612 | Planar light source device and liquid-crystal display device | Takahiko Ueda, Hiroshi Koyama | 2006-02-28 |
| 6914719 | Light reflector | Hiroshi Koyama | 2005-07-05 |
| 6854310 | Device for correcting circumferential length of metal ring | Yuji Narusaki, Katsuyuki Nakajima, Takehisa Kimura, Masao Nitta, Yoshiharu Watabe | 2005-02-15 |
| 6726547 | Cutting device for sheet metal drum | Yuji Narusaki, Yoshiharu Watabe, Takehisa Kimura, Toru Nagakura, Yoriyuki Watanabe | 2004-04-27 |
| 6562454 | Tag and label comprising same | Tamio Shikano | 2003-05-13 |
| 6533440 | Light reflector | Hiroshi Koyama | 2003-03-18 |
| 6318140 | Method of manufacturing laminated ring and apparatus for measuring circumferential length difference of ring in such method | Hiroaki Yamagishi, Masahiko Yamauchi | 2001-11-20 |
| 5804528 | Thermosensitive recording material with a high fog resistance | Yasuyuki Aoki, Akira Maeta, Rie Harunaga, Haruo Omura, Satoshi Fukui | 1998-09-08 |
| 5182159 | Electrostatic recording material | Hiroshige Yamauchi, Takashi Ogasawara | 1993-01-26 |