Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633280 | Touch panel device | Jiro Nakazono | 2003-10-14 |
| 6628271 | Touch panel device | Jiro Nakazono | 2003-09-30 |
| 6526285 | Information presentation system and portable telephone apparatus with information displaying function | Yoshiharu Ueki, Shozaburo Sakaguchi, Masahiro Sui | 2003-02-25 |
| 6272332 | Information presentation system and portable telephone apparatus with information displaying function | Yoshiharu Ueki, Shozaburo Sakaguchi, Masahiro Sui | 2001-08-07 |
| 6262964 | Disc player with objective lens arranged in a zigzag pattern | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara +1 more | 2001-07-17 |
| 5953308 | Disc player with alternating ascending/descending guide devices | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara +1 more | 1999-09-14 |
| 5848049 | Disc player with parallel objective lenses | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara +1 more | 1998-12-08 |
| 5734631 | Disc player and method of reproducing the same | Yuji Ikedo, Yoshifumi Masunaga | 1998-03-31 |
| 5677904 | Disc player | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara +1 more | 1997-10-14 |
| 5671201 | Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara +1 more | 1997-09-23 |
| 5646921 | Method and apparatus for reproducing information recorded on CLV disc type record medium | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara +1 more | 1997-07-08 |
| 5619484 | Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara +1 more | 1997-04-08 |
| 5461371 | Exhibit explaining system activated by infrared signals | Keiichi Yamauchi | 1995-10-24 |