Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442312 | Optical filter fabrication method and apparatus, optical filter, fiber holder with spiral groove, and phase mask | Yoshitaka Terao, Akihiko Nishiki | 2002-08-27 |
| 6297842 | Organic electroluminescent light-emitting array and optical head assembly | Masumi Koizumi, Yichao Jiang, Ichimatsu Abiko | 2001-10-02 |
| 6174648 | Optical filter fabrication method using fiber holder with spiral groove and phase mask with spiral diffraction grating | Yoshitaka Terao, Akihiko Nishiki | 2001-01-16 |
| 5955748 | End face light emitting type light emitting diode | Yukio Nakamura, Mitsuhiko Ogihara, Masumi Taninaka, Takao Kusano, Masumi Koizumi +3 more | 1999-09-21 |
| 5539551 | LCD TFT drain and source electrodes having ohmic barrier, primary conductor, and liquid impermeable layers and method of making | Hideki Kamada, Ichiro Ohno | 1996-07-23 |
| 5504348 | Thin-film transistor array and liquid crystal display device using the thin-film transistor array | Mamoru Yoshida, Makoto Sasaki, Hiroyuki Okimoto, Shunichi Sato | 1996-04-02 |
| 5307189 | Active-matrix-addressed liquid crystal with conductor collecting lines of force emanating from data electrode | Akihiko Nishiki, Shigeki Ogura, Kayo Yoshizawa | 1994-04-26 |
| 5225364 | Method of fabricating a thin-film transistor matrix for an active matrix display panel | Masumi Koizumi, Akihiko Nishiki | 1993-07-06 |
| 5070379 | Thin-film transistor matrix for active matrix display panel with alloy electrodes | Masumi Koizumi, Akihiko Nishiki | 1991-12-03 |
| 4885622 | Pin photodiode and method of fabrication of the same | Akira Uchiyama, Yuuichi Masaki, Toshiyuki Iwabuchi, Masaaki Sakamoto | 1989-12-05 |
| 4859617 | Thin-film transistor fabrication process | Mamoru Yosida, Mikio Mouri, Tsukasa Watanabe | 1989-08-22 |
| 4816885 | Thin-film transistor matrix for liquid crystal display | Mamoru Yoshida, Tomoo Araki, Tsukasa Watanabe | 1989-03-28 |