Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554451 | Optical data recording medium | Kazunari Taki, Yumiko Ohashi, Takuya Hamaguchi, Riki Matsuda | 1996-09-10 |
| 5298366 | Method for producing a microlens array | Takeo Iwasaki, Kouji Inaishi, Chisato Yoshimura, Yuji Shinkai | 1994-03-29 |
| 5277783 | Manufacturing method for orifice plate | Yumiko Ohashi | 1994-01-11 |
| 5230990 | Method for producing an optical waveguide array using a resist master | Takeo Iwasaki, Kouji Inaishi, Chisato Yoshimura, Yuji Shinkai | 1993-07-27 |
| 5199024 | Optical data storage medium having embedded tracking information | Kazunari Taki, Riki Matsuda, Yumiko Ohashi | 1993-03-30 |
| 5197540 | Boring device for lining material in branched portions of lined conduit | Isaburo Yagi, Masaru Yamakawa, Yoshifumi Osaka | 1993-03-30 |
| 5095478 | Optical data storage medium having interference and flattening layers each having specific thickness for improved information reading and tracking reliability | Kazunari Taki, Riki Matsuda, Yumiko Ohashi | 1992-03-10 |
| 5089358 | Optical recording medium | Kazunari Taki, Yumiko Ohashi, Riki Matsuda | 1992-02-18 |
| 4948452 | Apparatus for lining pipe lines including liquid seal means | Akio Morinaga, Isaburo Yagi, Akifumi Yamamoto | 1990-08-14 |
| 4883557 | Method for lining pipe lines with a pressurized gas | Akio Morinaga, Isaburo Yagi, Akifumi Yamamoto | 1989-11-28 |
| 4788700 | Fluorescent X-ray analyzing method of solution specimen and specimen sampler used for the method | Shigetoshi Kurozumi, Tadahiro Abe, Noriko Yasui | 1988-11-29 |