Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9188847 | Screen and screen manufacturing method | Hajime Maruta, Haruhisa Muro | 2015-11-17 |
| 7633677 | Reflective screen | Hajime Maruta, Norimitsu Ebata, Yuji Sawamura, Ken Kikuchi, Tomoya Yano | 2009-12-15 |
| 7262911 | Reflex-type screen assembly | Hajime Maruta, Takahiro Koyanagi | 2007-08-28 |
| 7221508 | Reflex-type screen | Hajime Maruta, Norimitsu Ebata, Yuji Sawamura | 2007-05-22 |
| 7110176 | Reflex-type screen | Hajime Maruta, Takahiro Koyanagi | 2006-09-19 |
| 6233095 | Screen member for a reflex type screen | Hajime Maruta, Masaaki Kishimoto, Koji Nakamura, Koichi Wada | 2001-05-15 |
| 6052227 | Screen assembly with pivoting leg members | Hajime Maruta, Tomoshi Oozeki | 2000-04-18 |
| 6046845 | Screen assembly and reflex type screen assembly | Hajime Maruta, Tomoshi Oozeki | 2000-04-04 |
| 5863630 | Screen for a large size view field | Hajime Maruta | 1999-01-26 |
| 5768019 | Reflective screen for a liquid crystal projector and method for producing the same | Yoshikazu Umezawa, Hajime Maruta | 1998-06-16 |