Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9507176 | Polarization optical article in which uneven coloring by polarization color has been improved | Nobuyuki Kobuchi, Keishi Yoshikawa | 2016-11-29 |
| 8870373 | Single-lens type polarizing glasses | Naoya Aoyama | 2014-10-28 |
| 7901074 | Lens for safety glasses | Tamenobu Yamamoto, Yoshihisa Ishiba | 2011-03-08 |
| 7891025 | Protective device for eyes | Hirokazu Kobayashi, Kimio Matsumoto | 2011-02-22 |
| 7891806 | Eyeglasses | Mitsuhiro Shintani | 2011-02-22 |
| 7318960 | Polarizing molded article and process for preparing the same | Tamenobu Yamamoto, Ryoji Kammori, Nobuyuki Kobuchi | 2008-01-15 |
| 6814902 | Method for continuously manufacturing optical article | Tamenobu Yamamoto, Fumio Ishibashi | 2004-11-09 |
| 6659608 | Polarizing optical article | Tamenobu Yamamoto, Yoshihisa Ishiba | 2003-12-09 |
| 6613433 | Polarizing optical composite and polarizing lens | Tamenobu Yamamoto, Masahiko Okamoto | 2003-09-02 |
| 6455163 | Transparent optical article | Masahiko Okamoto | 2002-09-24 |
| 5767212 | Method of producing sulfur containing color-free transparent (metha) acrylate polymer having high visible light transmittance | Yuichiro Iguchi, Setsuo Baba | 1998-06-16 |
| 5612390 | Thiol Methacrylate or acrylate resin and a method of making same | Yuichiro Iguchi, Michio Kimura | 1997-03-18 |
| 5502141 | Method of making thiol methacrylate or acrylate and a lens made therefrom | Yuichiro Iguchi, Michio Kimura | 1996-03-26 |
| 5399735 | Thiol methacrylate or acrylate, method of making same and a lens made therefrom | Yuichiro Iguchi, Michio Kimura | 1995-03-21 |
| 5294690 | Thiol methacrylate or acrylate resin | Yuichiro Iguchi, Michio Kimura | 1994-03-15 |
| 5247041 | Thiol methacrylate or acrylate resin obtained by polymerizing a thiol methacrylate or acrylate compound | Yuichiro Iguchi, Michio Kimura | 1993-09-21 |
| 4989955 | Liquid crystal electro-optical element and process for preparation thereof | Kokichi Ito, Takamasa Harada, Hiroyuki Ikeuchi | 1991-02-05 |
| 4963417 | Pressure-sensitive tablet | Takashi Taniguchi, Shoichi Kurasaki | 1990-10-16 |
| 4959398 | Powdery adhesive and process for preparation thereof | Ikuo Hagiwara | 1990-09-25 |
| 4752528 | Modified fine particles and a process for their production | — | 1988-06-21 |
| 4732961 | Epoxy type spherical particulate adhesive and process for preparation thereof | — | 1988-03-22 |
| 4588617 | Process for producing cured epoxy resin spherical particles | — | 1986-05-13 |
| 4536226 | Method of manufacturing a shadow mask for a color cathode ray tube | Yasuhisa Ohtake, Hiroshi Tanaka | 1985-08-20 |
| 4420366 | Method for manufacturing shadow mask | Hiroshi Tanaka, Makoto Harigae | 1983-12-13 |