Issued Patents All Time
Showing 51–75 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659332 | Display unit of input integral type | Yoshitaka Yamamoto | 1997-08-19 |
| 5657100 | Optical transmittance adjusting device having a matrix of electrodes each connected to a photoconductor smaller than the electrode | Yoshitaka Yamamoto | 1997-08-12 |
| 5642214 | Optical modulating element and electronic apparatus using it | Yoshitaka Yamamoto | 1997-06-24 |
| 5640259 | Liquid crystal device with the retardation of the liquid crystal layer greater than .lambda./2 and a method for driving the same | Yutaka Sawayama, Naofumi Kimura, Yoshitaka Yamamoto | 1997-06-17 |
| 5627557 | Display apparatus | Akira Yamaguchi, Yoshitaka Yamamoto, Tomoaki Toichi | 1997-05-06 |
| 5617229 | Field sequential ferroelectric LCD having a single crystalline layer in which a plurality of circuit elements are formed | Yoshitaka Yamamoto, Akira Tagawa, Mitsuhiro Koden, Tokihiko Shinomiya | 1997-04-01 |
| 5610414 | Semiconductor device | Hiroshi Yoneda, Shigeto Yoshida, Kenichi Katoh, Yasukuni Yamane | 1997-03-11 |
| 5610628 | Driving device for a display panel and a driving method of the same | Kunihiko Yamamoto, Kiyohisa Matsui, Norio Yasunishi, Toshihiro Nakamura, Hajime Washio +1 more | 1997-03-11 |
| 5594466 | Driving device for a display panel and a driving method of the same | Kunihiko Yamamoto, Kiyohisa Matsui, Norio Yasunishi, Toshihiro Nakamura, Hajime Washio +1 more | 1997-01-14 |
| 5581273 | Image display apparatus | Hiroshi Yoneda, Kenichi Katoh, Yasushi Kubota | 1996-12-03 |
| 5579199 | Non-volatile memory device and a method for producing the same | Tadashi Kawamura, Naofumi Kimura, Yoshitaka Yamamoto | 1996-11-26 |
| 5566010 | Liquid crystal display with several capacitors for holding information at each pixel | Yoshitaka Yamamoto, Terutoshi Tsuchihira | 1996-10-15 |
| 5552840 | Three dimensional projection display reflecting divided polarized light on to reflective liquid crystal display elements | Yoshitaka Yamamoto | 1996-09-03 |
| 5539547 | Liquid crystal device with plural polymer network films | Yoshitaka Yamamoto | 1996-07-23 |
| 5535027 | Liquid crystal display device with a photoconductor at each intersection of a linear luminous source and a linear electrode | Naofumi Kimura, Masaru Yoshida, Masataka Matsuura, Akitsugu Hatano, Yozo Narutaki +3 more | 1996-07-09 |
| 5528401 | Liquid crystal display device having an orientation layer containing liquid crystal with a controlled orientation and method for manufacturing the same | Yozo Narutaki, Yoshitaka Yamamoto | 1996-06-18 |
| 5515316 | Non-volatile memory device having a memory medium containing a liquid crystal compound | Yoshitaka Yamamoto | 1996-05-07 |
| 5506705 | Goggle type display apparatus | Yoshitaka Yamamoto, Fumiaki Funada | 1996-04-09 |
| 5462621 | Method of forming an optical compensating plate of a liquid crystal display apparatus | — | 1995-10-31 |
| 5461400 | Display device | Yoshitaka Yamamoto | 1995-10-24 |
| 5444651 | Non-volatile memory device | Yoshitaka Yamamoto | 1995-08-22 |
| 5426526 | Reflection type single crystal silicon substrate liquid crystal display device and system | Yoshitaka Yamamoto | 1995-06-20 |
| 5341231 | Liquid crystal display device with edge lit lightguide reflecting light to back reflector by total internal reflection | Yoshitaka Yamamoto | 1994-08-23 |
| 5321536 | Liquid crystal operation device and an image system using the same | Yoshitaka Yamamoto | 1994-06-14 |
| 5272553 | Projection type liquid crystal display device with twisted nematic liquid crystal layers | Kunihiko Yamamoto | 1993-12-21 |