Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7106682 | Optical pickup | Tetsuo Ueyama, Yukio Kurata, Katsushige Masui, Naotaka Otsuka, Renzaburo Miki +2 more | 2006-09-12 |
| 7098055 | Apparatus and method for testing defects | Minori Noguchi, Yoshimasa Ohshima, Hidetoshi Nishiyama, Shunichi Matsumoto, Yukio Kembo +7 more | 2006-08-29 |
| 7037735 | Apparatus and method for testing defects | Minori Noguchi, Yoshimasa Ohshima, Hidetoshi Nishiyama, Shunichi Matsumoto, Yukio Kembo +7 more | 2006-05-02 |
| 7019280 | Apparatus for detecting the tilt of a light reflector relative to the optical axis of input light | Fumio Kokubo, Tetsuo Ueyama, Renzaburo Miki | 2006-03-28 |
| 6868055 | Optical pickup | Tetsuo Ueyama, Yukio Kurata, Katsushige Masui, Naotaka Otsuka, Renzaburo Miki +2 more | 2005-03-15 |
| 6540090 | Bill arranger | Yoshiyuki Kato | 2003-04-01 |
| 6428632 | Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability | Toshiro Fujiyama | 2002-08-06 |
| 6411377 | Optical apparatus for defect and particle size inspection | Minori Noguchi, Yoshimasa Ohshima, Hidetoshi Nishiyama, Shunichi Matsumoto, Yukio Kembo +7 more | 2002-06-25 |
| 6406558 | Method for manufacturing magnetic steel sheet having superior workability and magnetic properties | Mitsumasa Kurosawa, Masaki Kawano, Michiro Komatsubara, Toshiro Fujiyama | 2002-06-18 |
| 6388977 | Hologram laser unit and optical pickup device including the same | Yasuo Nakata | 2002-05-14 |
| 6339562 | Optical pickup device | — | 2002-01-15 |
| 6328166 | Bill arranger | — | 2001-12-11 |
| D438556 | Bank note sorter | Yoshiyuki Kato, Ken Urata, Hideo Atsumi, Tadao Saito | 2001-03-06 |
| 5719834 | Objective lens driving apparatus and method including visco-elastic support for a magnetic circuit which allows translation of the magnetic circuit without pivoting or rotating there of | Masayasu Futagawa, Toshiyuki Tanaka | 1998-02-17 |
| 5652737 | Magneto-optical disk pick-up device having mode splitter using cut off effect caused by tapered waveguide | Kohji Minami, Kuniaki Okada, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata | 1997-07-29 |
| 5602808 | Objective lens driving apparatus | Masayasu Futagawa, Toshiyuki Tanaka | 1997-02-11 |
| 5576149 | Method for producing a tapered waveguide | Hiroyuki Yamamoto, Yukio Kurata, Yoshio Yoshida, Kuniaki Okada, Kouji Minami | 1996-11-19 |
| 5509094 | Mode splitter and a magneto-optical disk pick-up device having the mode splitter | Kohji Minami, Kuniaki Okada, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata | 1996-04-16 |
| 5502457 | Fiber optic face plate for a seamless modular display | Hiroyuki Yamamoto, Yukio Kurata | 1996-03-26 |
| 5465315 | Display apparatus having a plurality of display devices | Yoshio Yoshida, Hiroyuki Yamamoto, Yukio Kurata, Yasuo Nakata, Takahiro Miyake | 1995-11-07 |
| 5408264 | Three-dimensional image display apparatus for optically synthesizing images formed on different surfaces on a display screen | Yukio Kurata, Yoshio Yoshida, Takahiro Miyake, Toshio Ishikawa | 1995-04-18 |
| 5279924 | Manufacturing method of optical diffraction grating element with serrated gratings having uniformly etched grooves | Katsuhiro Kubo, Yukio Kurata, Takahiro Miyake, Yoshio Yoshida | 1994-01-18 |
| 5013494 | Process for preparing blazed holograms | Katsuhiro Kubo, Yukio Kurata, Hideyoshi Yamaoka | 1991-05-07 |