Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11061229 | Head-up display | Yasuhiro Yamakawa, Kiyoshi Tsuchida | 2021-07-13 |
| 10712559 | Display device | Yasuhiro Yamakawa | 2020-07-14 |
| 8012654 | Photomask blank and photomask | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Tadashi Saga +2 more | 2011-09-06 |
| 8007964 | Photomask blank and photomask | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Masahide Iwakata +2 more | 2011-08-30 |
| 8003284 | Photomask blank and photomask | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Tadashi Saga +2 more | 2011-08-23 |
| 7989124 | Photomask blank and photomask making method | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Tadashi Saga +2 more | 2011-08-02 |
| 7842400 | Surface-treated steel sheet and method for manufacturing the same | Takafumi Yamaji, Akira Matsuzaki, Kazuhisa Okai, Keiji Yoshida, Masaaki Yamashita +1 more | 2010-11-30 |
| 7790339 | Photomask blank | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Tadashi Saga | 2010-09-07 |
| 7771893 | Photomask blank, photomask and fabrication method thereof | Hiroki Yoshikawa, Hiroshi Kubota, Yoshinori Kinase, Satoshi Okazaki, Tamotsu Maruyama +3 more | 2010-08-10 |
| 7767367 | Photomask blank and photomask making method | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Tadashi Saga +2 more | 2010-08-03 |
| 7767366 | Photomask blank and photomask | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Tadashi Saga +2 more | 2010-08-03 |
| 7691546 | Photomask blank and photomask | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Masahide Iwakata +2 more | 2010-04-06 |
| 7625676 | Photomask blank, photomask and fabrication method thereof | Hiroki Yoshikawa, Yukio Inazuki, Yoshinori Kinase, Satoshi Okazaki, Takashi Haraguchi +1 more | 2009-12-01 |
| 7618753 | Photomask blank, photomask and method for producing those | Hiroki Yoshikawa, Yukio Inazuki, Yoshinori Kinase, Satoshi Okazaki, Takashi Haraguchi +3 more | 2009-11-17 |
| 7598004 | Film-depositing target and preparation of phase shift mask blank | Hiroki Yoshikawa, Toshinobu Ishihara, Satoshi Okazaki, Yukio Inazuki, Tadashi Saga +3 more | 2009-10-06 |
| 7556892 | Halftone phase shift mask blank, halftone phase shift mask, and pattern transfer method | Kimihiro Okada, Masahide Iwakata, Takashi Haraguchi, Mikio Takagi, Hiroki Yoshikawa +4 more | 2009-07-07 |
| 7351505 | Phase shift mask blank, phase shift mask, and pattern transfer method | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Yoshihiro Ii +1 more | 2008-04-01 |
| 6610422 | Coated steel sheet and method for manufacturing the same | Toshihiko Ooi, Takafumi Yamaji, Keiji Yoshida, Yuichiro Tanaka, Junichi Inagaki +5 more | 2003-08-26 |
| 6338799 | Method for recovering phosphate from sludge and system therefor | Tadashi Matsumoto, Kouichi Kawabata, Katsumi Moriyama | 2002-01-15 |
| 5330349 | Injection mold having a cylindrical down gate | Keiichiro Uchida | 1994-07-19 |
| 4779835 | Mold for transfer molding | Fujio Kobayashi, Shinichiro Takahashi | 1988-10-25 |