Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5883683 | Nonlinear device | Masaru Yoshida | 1999-03-16 |
| 5739547 | Reflection type display | Takao Nomura, Yoshihiro Endoh | 1998-04-14 |
| 5734452 | Two-terminal non-linear resistive device and a method for producing the same in which nickel or iron is an impurity in the zinc sulfide layer | Kiyoshi Okano, Takao Nomura, Kojiro Tsubota | 1998-03-31 |
| 5663020 | Display apparatus having a two-terminal device including a zinc sulfide layer and a method for producing the same | Masahiro Adachi, Hiroshi Morimoto, Masaru Yoshida, Yasuyoshi Kaise | 1997-09-02 |
| 5642212 | Display apparatus having a two-terminal device including a zinc sulfide layer and method for producing the same | Masahiro Adachi, Hiroshi Morimoto, Masaru Yoshida, Yasuyoshi Kaise | 1997-06-24 |
| 5600458 | Active matrix display having at least one nonlinear element composed of a sulfide film | Kiyoshi Okano | 1997-02-04 |
| 5082761 | Set of electrophotographic toners | Shigeaki Tasaka, Nobuhiko Nakano, Kazuya Maeda, Toshihisa Ishida, Yoshiaki Takahashi +2 more | 1992-01-21 |
| 4977350 | Color electroluminescence display panel having alternately-extending electrode groups | Koichi Tanaka, Takuo Yamashita, Hiroaki Nakaya | 1990-12-11 |
| 4916496 | ZnS blue light emitting device | Yoshitaka Tomomura, Masahiko Kitagawa, Shigeo Nakajima | 1990-04-10 |
| 4908603 | Light emitting alarm board | Koichi Tanaka, Hiroaki Nakaya, Takuo Yamashita, Masaru Yoshida | 1990-03-13 |
| 4869776 | Method for the growth of a compound semiconductor crystal | Masahiko Kitagawa, Yoshitaka Tomomura, Shigeo Nakajima | 1989-09-26 |