Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570124 | Laser processing method | — | 2003-05-27 |
| 6525296 | Method of processing and optical components | Toshiyuki Matsushima, Yorishige Ishii, Hideaki Fujita, Yukio Kurata, Toshihiro Tamura | 2003-02-25 |
| 6501876 | Bidirectional optical communication device and bidirectional optical communication apparatus | Yorishige Ishii, Toshiyuki Matsushima, Hideaki Fujita, Yukio Kurata | 2002-12-31 |
| 6292609 | Optical components including an optical element having a surface that is tapered | Toshiyuki Matsushima, Yorishige Ishii, Hideaki Fujita, Yukio Kurata, Toshihiro Tamura | 2001-09-18 |
| 6157760 | Two-way optical communication device and two-way optical communication apparatus | Hideaki Fujita, Yorishige Ishii, Toshiyuki Matsushima | 2000-12-05 |
| 6002661 | Deformable mirror and optical data reproducing apparatus using the same | Shingo Abe, Tetsuya Inui, Hirotsugu Matoba, Susumu Hirata, Yorishige Ishii +1 more | 1999-12-14 |
| 5781676 | Waveguide integrated optical pickup device and optical waveguide element | — | 1998-07-14 |
| 5726962 | Compact optical pickup device with beam splitter | Kohji Minami, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata | 1998-03-10 |
| 5652816 | Optical coupler and method for producing the same | Kohji Minami, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata | 1997-07-29 |
| 5652737 | Magneto-optical disk pick-up device having mode splitter using cut off effect caused by tapered waveguide | Kohji Minami, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata, Keiji Sakai | 1997-07-29 |
| 5576149 | Method for producing a tapered waveguide | Hiroyuki Yamamoto, Yukio Kurata, Keiji Sakai, Yoshio Yoshida, Kouji Minami | 1996-11-19 |
| 5509094 | Mode splitter and a magneto-optical disk pick-up device having the mode splitter | Kohji Minami, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata, Keiji Sakai | 1996-04-16 |
| 5428584 | Pickup device for a magneto-optical information recording system | Yoshio Yoshida, Hiroyuki Yamamoto, Renzaburou Miki, Yukio Kurata, Kouji Minami | 1995-06-27 |
| 5410623 | Optical device having two optical waveguides connected and a method of producing the same | Kouji Minami, Renzaburo Miki, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata | 1995-04-25 |
| 5410622 | Optical integrated circuit having light detector | Kouji Minami, Renzaburo Miki, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata | 1995-04-25 |
| 4354372 | Method and apparatus for cold roll forming metal strip | Takesi Inoue | 1982-10-19 |