Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11561394 | Information display apparatus and reflecting mirror used therein | Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Michiaki ABE, Eiji KAWAWA +1 more | 2023-01-24 |
| 10746904 | Free-form surface lens, method of designing free-form surface lens, free-form surface mirror, method of designing free-form surface mirror, and projection type video display apparatus | Koji Hirata, Masahiko Yatsu, Yuki Matsumiya, Kayono Kimura | 2020-08-18 |
| 10678017 | Projection image display device | Koji Hirata, Masahiko Yatsu, Yuki Matsumiya, Kayono Kimura | 2020-06-09 |
| 10545334 | Flare-cut member, lens device, and optical device | Masahiko Yatsu | 2020-01-28 |
| 10444606 | Projection lens assembly method and projection image display apparatus | Koji Hirata, Masahiko Yatsu, Yuki Matsumiya | 2019-10-15 |
| 10265831 | Method for manufacturing lens, method for manufacturing molding die for lens, method for manufacturing mirror, method for manufacturing molding die for mirror, lens and molding die for lens | Koji Hirata, Masahiko Yatsu, Yuki Matsumiya | 2019-04-23 |
| 10185060 | Free-form surface lens, method of designing free-form surface lens, free-form surface mirror, method of designing free-form surface mirror, and projection type video display apparatus | Koji Hirata, Masahiko Yatsu, Yuki Matsumiya, Kayono Kimura | 2019-01-22 |
| 9017120 | Outboard motor and watercraft including the same | Tomotaka Takano, Satoshi Miyazaki, Yusuke Takahashi, Atsushi Suzuki | 2015-04-28 |
| 8690625 | Outboard motor and watercraft including the same | Atsushi Suzuki, Daisuke Takasu, Satoshi Miyazaki, Yusuke Takahashi, Makoto Kuroiwa | 2014-04-08 |
| 8690624 | Vessel propulsion apparatus | Satoshi Miyazaki | 2014-04-08 |
| 8499934 | Package structure with a flat display unit packed therein and package structure for packing a flat display unit | Teppei Tanaka, Yutaka Yamada | 2013-08-06 |
| 8089565 | Digital signal receiver and method for controlling the same | Satoshi Takahashi, Ryogo Yanagisawa, Shinichi Hashimoto | 2012-01-03 |
| 7760766 | Audio processor | Satoshi Takahashi | 2010-07-20 |
| 7607944 | Multi-pole coaxial connector | Kosuke Yoshioka, Narutoshi Hoshino, Hirohisa Tanaka | 2009-10-27 |
| 7404646 | Projection lens apparatus and rear projection type image display apparatus | Yuriko Inadachi, Hidehiro Ikeda, Naoyuki Ogura, Koji Hirata | 2008-07-29 |
| 7365907 | Rear projection image display apparatus | Hidehiro Ikeda, Koji Hirata, Masahiro Yamamoto, Masahiko Yatsu | 2008-04-29 |
| 7347566 | Projection lens unit and rear projection type image display system | Hidehiro Ikeda, Koji Hirata, Naoyuki Ogura | 2008-03-25 |
| 7342724 | Rear projection type image display device | Koji Hirata, Hidehiro Ikeda, Masahiro Yamamoto | 2008-03-11 |
| 7244030 | Rear projection type image display device | Koji Hirata, Hidehiro Ikeda, Masahiro Yamamoto | 2007-07-17 |
| 7210797 | Projector optical unit, projection type image display apparatus, and rear projection type image display apparatus | Koji Hirata, Masahiko Yatsu, Tsutomu Nakashima, Hidehiro Ikeda | 2007-05-01 |
| 7172292 | Projection lens unit and rear projection type image display system | Hidehiro Ikeda, Koji Hirata, Naoyuki Ogura | 2007-02-06 |
| D509728 | Packaging box | — | 2005-09-20 |
| 6768594 | Projection lens apparatus and rear projection type image display apparatus using the same | Daisuke Imafuku, Naoyuki Ogura, Kazunari Nakagawa, Koji Hirata, Hidehiro Ikeda | 2004-07-27 |
| 6296492 | Receptacle for coaxial plug connector | Masaki Fujimoto, Kenji Okura, Yoshihisa Inaba, Takeshi Hashimoto, Narutoshi Hoshino +2 more | 2001-10-02 |