Issued Patents All Time
Showing 101–125 of 134 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936773 | Image-forming optical apparatus having a decentered optical surface | — | 1999-08-10 |
| 5923477 | Image display apparatus having a reflecting surface that bends light rays | — | 1999-07-13 |
| 5917656 | Decentered optical system | Kazuhito Hayakawa | 1999-06-29 |
| 5912764 | Endoscope optical system and image pickup apparatus | — | 1999-06-15 |
| 5909317 | Distortion corrected image display apparatus | Masaya Nakaoka, Junko Takahashi | 1999-06-01 |
| 5861995 | Ergonomic head-mounted image display apparatus | — | 1999-01-19 |
| 5847878 | Observation apparatus comprising eyepiece optical systems | — | 1998-12-08 |
| 5801885 | Head mount type image display unit | — | 1998-09-01 |
| 5790311 | Ocular optics system having at least four reflections occurring between curved surfaces | — | 1998-08-04 |
| 5790312 | Optical system | — | 1998-08-04 |
| 5768025 | Optical system and image display apparatus | Masaya Nakaoka | 1998-06-16 |
| 5768039 | Head-mounted image display apparatus | — | 1998-06-16 |
| 5757544 | Image display apparatus | Seiichiro Tabata, Yoichi Iba, Satoshi Imai | 1998-05-26 |
| 5748378 | Image display apparatus | Koichi Takahashi | 1998-05-05 |
| 5734505 | Visual display apparatus | Seiichiro Tabata | 1998-03-31 |
| 5726807 | Small light weight head-mounted or face-mounted image display apparatus | Masaya Nakaoka, Koichi Takahashi | 1998-03-10 |
| 5726670 | Display apparatus to be mounted on the head or face of an individual | Seiichiro Tabata, Yoichi Iba | 1998-03-10 |
| 5708529 | Head-mounted image display apparatus | Masato Yasugaki | 1998-01-13 |
| 5659430 | Visual display apparatus | — | 1997-08-19 |
| 5654828 | Optical system and visual display apparatus | Kunie Nakagiri | 1997-08-05 |
| 5644436 | Concentric optical system | Kunie Nakagiri | 1997-07-01 |
| 5594588 | Visual display | — | 1997-01-14 |
| 5587836 | Visual display apparatus | Koichi Takahashi | 1996-12-24 |
| 5539578 | Image display apparatus | Masato Yasugaki | 1996-07-23 |
| 5517366 | Concentric optical system | — | 1996-05-14 |