Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10606042 | Magnification optical system | Hibiki Tatsuno, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa | 2020-03-31 |
| 10451961 | Focus adjustment system for an image display device | Hibiki Tatsuno, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa | 2019-10-22 |
| 10310238 | Magnification optical system | Hibiki Tatsuno, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa | 2019-06-04 |
| 9841584 | Magnification optical system | Hibiki Tatsuno, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa | 2017-12-12 |
| 9348121 | Magnification optical system | Hibiki Tatsuno, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa | 2016-05-24 |
| 9158119 | Enlargement optical system | Makoto Hirakawa, Hibiki Tatsuno, Yasuyuki Shibayama, Takanobu Osaka | 2015-10-13 |
| 9069238 | Image displaying apparatus | Makoto Hirakawa, Hibiki Tatsuno, Yasuyuki Shibayama, Takanobu Osaka | 2015-06-30 |
| 9046674 | Magnification optical system | Hibiki Tatsuno, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa | 2015-06-02 |
| 9039196 | Image displaying apparatus having plane mirror at conjugate to image displaying element | Makoto Hirakawa, Hibiki Tatsuno, Takanobu Osaka, Yasuyuki Shibayama | 2015-05-26 |
| 8922883 | Magnification optical system | Hibiki Tatsuno, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa | 2014-12-30 |
| 8854701 | Image-forming lens, image reader, and image-forming device | Hirotoshi Nakayama, Masahiro Itoh | 2014-10-07 |
| 8284462 | Image reading device and image forming apparatus | Issei Abe, Masahiro Itoh, Kazuhiro Fujita | 2012-10-09 |
| 8253989 | Optical reader, image reader and image forming device | Yasuo Sakurai, Nobuaki Ono, Masahiro Itoh | 2012-08-28 |
| 8199371 | Image reader and image formation apparatus | Yasuo Sakurai, Nobuaki Ono, Masahiro Itoh, Yoshifumi Sudoh | 2012-06-12 |
| 8174738 | Image read-out device and image forming device | Nobuaki Ono, Yasuo Sakurai, Masahiro Itoh | 2012-05-08 |
| 8169671 | Lighting unit, image reading apparatus and image forming apparatus using the same | Masahiro Itoh, Yasuo Sakurai, Nobuaki Ono | 2012-05-01 |
| 8081355 | Illumination unit, image read apparatus, image formation apparatus | Yasuo Sakurai, Masahiro Itoh, Hibiki Tatsuno, Yoshifumi Sudoh | 2011-12-20 |
| 7961365 | Image reading apparatus and image forming apparatus | Yoshifumi Sudoh, Masahiro Itoh | 2011-06-14 |
| 7920304 | Image reading device and image forming apparatus | Hibiki Tatsuno, Yasuo Sakurai, Nobuaki Ono, Masahiro Itoh | 2011-04-05 |
| 7734224 | Image reading apparatus with a mirror having a curved surface to reduce defocusing during image scanning | — | 2010-06-08 |
| 7492525 | Zoom lens, camera apparatus and portable information terminal apparatus | — | 2009-02-17 |
| 7450275 | Document reading lens, document reading lens unit, document reader, and image forming apparatus | — | 2008-11-11 |
| 7446953 | Imaging lens, image reading apparatus and image forming apparatus | Masahiro Itoh | 2008-11-04 |
| 7438443 | Lighting device, image-reading device, color-document reading apparatus, image-forming apparatus, projection apparatus | Hibiki Tatsuno | 2008-10-21 |
| 7277629 | Zoom lens, camera apparatus and portable information terminal apparatus | — | 2007-10-02 |