Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8431290 | Photomask blank, photomask, and methods of manufacturing the same | Atsushi Kominato, Masahiro Hashimoto, Hiroaki Shishido | 2013-04-30 |
| 8409772 | Mask blank and method of manufacturing a transfer mask | Masahiro Hashimoto, Takahiro Hiromatsu | 2013-04-02 |
| 8404406 | Photomask blank and method for manufacturing the same | Hiroaki Shishido, Atsushi Kominato, Masahiro Hashimoto | 2013-03-26 |
| 8329364 | Phase shift mask blank and phase shift mask | Hiroaki Shishido, Atsushi Kominato, Masahiro Hashimoto | 2012-12-11 |
| 8323858 | Photomask blank, photomask, and methods of manufacturing the same | Masahiro Hashimoto, Atsushi Kominato | 2012-12-04 |
| 8304147 | Photomask blank, photomask, and method for manufacturing photomask blank | Hiroaki Shishido, Atsushi Kominato, Masahiro Hashimoto | 2012-11-06 |
| 8114556 | Photomask blank and production method thereof, and photomask production method, and semiconductor device production method | Takeyuki Yamada, Atsushi Kominato, Masahiro Hashimoto, Yasushi Okubo | 2012-02-14 |
| 8029948 | Photomask blank, photomask, and methods of manufacturing the same | Masahiro Hashimoto, Atsushi Kominato | 2011-10-04 |
| 7901842 | Photomask blank and method of producing the same, method of producing photomask, and method of producing semiconductor device | Takeyuki Yamada, Yasushi Okubo, Masao Ushida | 2011-03-08 |
| 7798296 | Damper device and manufacturing method for damper device | — | 2010-09-21 |
| 7540808 | Power transmission shaft, power transmission device incorporating the same and method of forming the same | Tadashi Naganawa, Isashi Kashiwagi | 2009-06-02 |
| 7520815 | Constant velocity universal joint | Kazuyuki Ichikawa, Isashi Kashiwagi, Atsushi Ando, Junji Ando, Yosei Ando +1 more | 2009-04-21 |
| 7165577 | Cleaning valve drive unit | Tsuyoshi Nakasone, Katsunori Tomita, Takanori Idota, Hironao Inoue | 2007-01-23 |
| 6840355 | Rotary damper device | — | 2005-01-11 |
| 6781714 | Color image processing system and method | Hiromi Yanagita | 2004-08-24 |
| 6765694 | Color image processor | Hiromi Yanagita | 2004-07-20 |
| 6579611 | Resin film for producing decorative laminate and decorative laminate containing the resin film | Koji Taguma, Yoshiyuki Sugimoto | 2003-06-17 |
| 6482526 | Metallic sheet covered with polyester resin film and having high workability, and method of manufacturing same | Fumiko Gotoh, Atsuo Tanaka | 2002-11-19 |
| 6393624 | Damping device for a toilet seat and lid unit in western-style toilet | — | 2002-05-28 |
| 6270874 | Polyethylene terephthalate resin-coated metal plate of high processability | Fumiko Gotoh, Atsuo Tanaka | 2001-08-07 |
| 6106658 | Method and apparatus for producing laminate board | Noriaki Kaguma, Atsuo Tanaka, Yoshiki Sakamoto, Hiroshi Inazawa | 2000-08-22 |
| 5188198 | Power spring drive apparatus | Kenji Muramatsu | 1993-02-23 |
| 4984666 | Speed governor for toilet or the like | Makoto Orii | 1991-01-15 |