Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429703 | Light refraction member, optical system, lighting systems, display systems, moving object, and mold | Tomohisa Sakaguchi, Wahei Agemizu, Kazumasa Takata | 2025-09-30 |
| 12354914 | Method for producing substrate having through-silicon vias, substrate having through-silicon vias, and copper paste for through-silicon via formation | Yoshinori Ejiri, Hideo Nakako, Yuki KAWANA, Motoki YONEKURA, Shinichirou Sukata +4 more | 2025-07-08 |
| 12204100 | Optical system for a display system projecting a virtual image onto a target space | Wahei Agemizu, Kazumasa Takata, Tomohisa Sakaguchi, Hiroki Hara, Masaki Amie | 2025-01-21 |
| 11940647 | Optical system | YOSUKE ARAKI, Wahei Agemizu, Kazumasa Takata | 2024-03-26 |
| 11835719 | Optical system for a display system projecting a virtual image onto a target space | Wahei Agemizu, Kazumasa Takata, Tomohisa Sakaguchi, Hiroki Hara, Masaki Amie | 2023-12-05 |
| 11656473 | Lightguide lighting system for display system | Kazumasa Takata, Wahei Agemizu, YOSUKE ARAKI, Tomohisa Sakaguchi | 2023-05-23 |
| 10632898 | Illumination device and moving body | Yohei Chingyo, Tomoyuki Nakano, KENICHIRO MASE | 2020-04-28 |
| 10338302 | Light source device | Takanori Kikuchi, Yusuke Kusaka, Yoshihiko Kanayama, Shohroh Mochida, Masami Ito | 2019-07-02 |
| 10185211 | Projection light source device | Atsushi Fukui | 2019-01-22 |
| 9946008 | Indication lighting device and vacuum cleaner including the same | Atsushi Fukui, Tomohisa Sakaguchi | 2018-04-17 |
| 9752758 | Illumination apparatus | Shinji Kadoriku, Ryoma Murase, Takashi Matsuda | 2017-09-05 |
| 9702526 | Illumination device | Shinji Kadoriku, Ryoma Murase | 2017-07-11 |
| 9594204 | Lighting device for vacuum cleaner | Tomohisa Sakaguchi | 2017-03-14 |
| 9229151 | Light guide | Shohroh Mochida, Yoshihiko Kanayama, Yusuke Kusaka, Masami Ito, Takanori Kikuchi | 2016-01-05 |
| 9028125 | Light guide plate and surface light source device | Takanori Kikuchi, Masami Ito, Yusuke Kusaka | 2015-05-12 |
| 8979351 | Light guide plate, die, and die processing method | Masami Ito, Takanori Kikuchi, Yusuke Kusaka | 2015-03-17 |
| 8882326 | Light guide plate and surface light source device | Takanori Kikuchi, Masami Ito, Yusuke Kusaka | 2014-11-11 |
| 8414078 | Head rest apparatus | — | 2013-04-09 |
| 7874214 | Vibration state detecting method at machining stage of work and/or tool | Hiroshi Arakawa, Kouichi Amaya | 2011-01-25 |
| 7359024 | Structure of liquid crystal display device for easy assembly and disassembly | Masumi Sasuga, Junichi Ohwada, Akira Kobayashi, Hiroshi Nakamoto, Ryu Ono +1 more | 2008-04-15 |
| 7262822 | Structure of liquid crystal display device for easy assembly and disassembly | Masumi Sasuga, Junichi Ohwada, Akira Kobayashi, Hiroshi Nakamoto, Ryu Ono +1 more | 2007-08-28 |
| 7256942 | Single lens element, light source device and scanning optical device | Michihiro Yamagata, Motonobu Yoshikawa, Yasuhiro Tanaka, Yoshiharu Yamamoto, Daizaburo Matsuki +1 more | 2007-08-14 |
| 6856362 | Structure of liquid crystal display device for easy assembly and disassembly | Masumi Sasuga, Junichi Ohwada, Akira Kobayashi, Hiroshi Nakamoto, Ryu Ono +1 more | 2005-02-15 |
| 6466282 | Structure of liquid crystal display device for easy assembly and disassembly | Masumi Sasuga, Junichi Ohwada, Akira Kobayashi, Hiroshi Nakamoto, Ryu Ono +1 more | 2002-10-15 |
| 6195148 | Structure of liquid crystal display device for easy assembly and easy disassembly | Masumi Sasuga, Junichi Ohwada, Akira Kobayashi, Hiroshi Nakamoto, Ryu Ono +1 more | 2001-02-27 |