Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370575 | Electrostatic transducer and electrostatic transducer unit | Koichi Hasegawa, Katsuhiko Nakano, Masaki Nasu | 2025-07-29 |
| 12249930 | Electrostatic transducer | Masaki Nasu, Katsuhiko Nakano | 2025-03-11 |
| 12007520 | Electrostatic transducer and electrostatic transducer unit | Katsuhiko Nakano, Masaki Nasu | 2024-06-11 |
| 11994699 | Optical member | Hiroyuki Yamamoto, Takahiro Mashimo, Takuji Oyama, Tatsuo Nagashima | 2024-05-28 |
| 11873213 | Electrostatic-type transducer and manufacturing method thereof | Koichi Hasegawa, Katsuhiko Nakano, Masaaki Hamada, Masaki Nasu | 2024-01-16 |
| 11750981 | Transducer and method for manufacturing same | Katsuhiko Nakano, Masaki Nasu, Koichi Hasegawa | 2023-09-05 |
| 11641554 | Transducer and manufacturing method thereof | Koichi Hasegawa, Katsuhiko Nakano, Masaki Nasu | 2023-05-02 |
| 11420421 | Glass sheet composite, and diaphragm | Kento SAKURAI, Jun Akiyama, Daisuke Uchida | 2022-08-23 |
| 11385678 | Display device and television device | Kento SAKURAI, Jun Akiyama | 2022-07-12 |
| 11265658 | Transducer and manufacturing method thereof | Koichi Hasegawa, Katsuhiko Nakano, Masaki Nasu | 2022-03-01 |
| 11122370 | Glass sheet composite | Jun Akiyama, Daisuke Uchida, Kento SAKURAI | 2021-09-14 |
| 10088730 | Optical element and imaging device | Hiroshi Kumai, Teppei Konishi, Koichi Nakagawa, Takuji Oyama, Satoshi UMEDA | 2018-10-02 |
| 7459189 | Liquid crystal optical element and process for its production | Seiji Kojima, Shunichi Suwa, Masao Ozeki, Satoshi Niiyama | 2008-12-02 |
| 7336271 | Image display system | Masao Ozeki, Masanobu ISSHIKI, Toshihiko Suzuki | 2008-02-26 |
| 7011870 | Liquid crystal optical element and method for its production | Satoshi Niiyama | 2006-03-14 |
| 6950086 | Driving method for a cholesteric liquid crystal display device having a memory mode of operation and a driving apparatus | Makoto Nagai, Tomohiro Takano, Noriko Suehiro, Satoshi Niiyama | 2005-09-27 |
| 6937218 | Method for driving a liquid crystal display device | Satoshi Niiyama, Tomohiro Takano | 2005-08-30 |
| 6723393 | Liquid crystal optical element and method for preparing the same | Satoshi Niyama | 2004-04-20 |
| 6551670 | Chiral nematic liquid crystal composition and liquid crystal optical element | Satoshi Niiyama | 2003-04-22 |
| 5637380 | Composition for a protective film, color filter-provided substrate using it and liquid crystal display device | Atsuko Kaneko | 1997-06-10 |