Issued Patents All Time
Showing 176–191 of 191 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486499 | Electroluminescent device | — | 1984-12-04 |
| 4472658 | Fluorescent display device | Hiroshi Watanabe | 1984-09-18 |
| 4459514 | Fluorescent display device | Hiroshi Watanabe | 1984-07-10 |
| 4456673 | Transfer-type electrostatic copying method | Yutaka Shigemura, Masahiko Hisajima, Hiroshi Kimura, Isao Yada, Yoichiro Irie +1 more | 1984-06-26 |
| 4451499 | Method for producing a beryllium oxide film | Toshinori Takagi, Hiroshi Watanabe | 1984-05-29 |
| 4423948 | Dual component developing material detecting device for electrostatic copying apparatus | Hiroshi Kimura, Masahiko Hisajima, Yutaka Shigemura, Isao Yada, Yoichiro Irie | 1984-01-03 |
| 4405226 | Developing material supplying control device for electrostatic copying apparatus | Hiroshi Kimura, Masahiko Hisajima, Yutaka Shigemura, Isao Yada, Yoichiro Irie | 1983-09-20 |
| 4394210 | Process for forming a lead film | Toshinori Takagi | 1983-07-19 |
| 4332467 | Developing device in electrostatic copying apparatus | Hiroshi Kimura, Toshikazu Matsui, Masahiko Hisajima, Yutaka Shigemura, Yoichiro Irie | 1982-06-01 |
| 4286545 | Apparatus for vapor depositing a stoichiometric compound | Toshinori Takagi, Hiroshi Watanabe | 1981-09-01 |
| 4281029 | Method of coating with a stoichiometric compound | Toshinori Takagi, Hiroshi Watanabe | 1981-07-28 |
| 4241281 | Light emitting diode display device | Hiroshi Watanabe | 1980-12-23 |
| 4233613 | Compound semiconductor wafer | — | 1980-11-11 |
| 4218495 | Schottky barrier type solid-state element | Toshinori Takagi, Yukihiko Utamura | 1980-08-19 |
| 4213844 | Ion plating apparatus | Hiroshi Watanabe, Toshinori Takagi | 1980-07-22 |
| 4197814 | Apparatus for forming compound semiconductor thin-films | Toshinori Takagi | 1980-04-15 |