Issued Patents All Time
Showing 126–144 of 144 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414319 | Photoconductive member having amorphous layer containing oxygen | Shigeru Shirai, Tadaji Fukuda | 1983-11-08 |
| 4405702 | Electrophotographic image-forming member with ladder-type silicon resin layer | Shigeru Shirai, Shigeru Ohno | 1983-09-20 |
| 4395476 | Developing method for developer transfer under A.C. electrical bias and apparatus therefor | Tsutomu Toyono, Nagao Hosono, Tohru Takahashi | 1983-07-26 |
| 4391891 | Developing method using (alternating electric field and) a developer of the field-dependent type and an apparatus therefor | Yasuyuki Tamura, Shunji Nakamura, Tsutomu Toyono, Tohru Takahashi | 1983-07-05 |
| 4385822 | Method and apparatus for forming and recording composite images | — | 1983-05-31 |
| 4378158 | Developing apparatus | — | 1983-03-29 |
| 4373468 | Developing apparatus | Masashi Suda | 1983-02-15 |
| 4368687 | Method and apparatus for developing magnetic latent image | Nagao Hosono, Tohru Takahashi | 1983-01-18 |
| 4365586 | Developing device | Nagao Hosono, Nobuyuki Miyake, Shusei Tsukada, Kozo Arao | 1982-12-28 |
| 4363861 | Toner transfer development using alternating electric field | Shunji Nakamura, Tsutomu Toyono, Tohru Takahashi, Yasuyuki Tamura | 1982-12-14 |
| 4359512 | Layered photoconductive member having barrier of silicon and halogen | Tadaji Fukuda, Shigeru Shirai | 1982-11-16 |
| 4342822 | Method for image development using electric bias | Nagao Hosono | 1982-08-03 |
| 4341179 | Developing device | Nagao Hosono | 1982-07-27 |
| 4337724 | Developing device | Nagao Hosono, Kozo Arao, Nobuyuki Miyake | 1982-07-06 |
| 4337306 | Developing method in which a bias is adjustable in accordance with a latent image and an apparatus therefor | Kozo Arao, Nagao Hosono | 1982-06-29 |
| 4314017 | Developer without carrier powder having an improved triboelectric charging property | Tohru Takahashi, Tsutomu Toyono, Shunji Nakamura, Yasuyuki Tamura | 1982-02-02 |
| 4297970 | Developing apparatus | Hatsuo Tajima, Nagao Hosono | 1981-11-03 |
| 4292387 | Magnetic developing method under A.C. electrical bias and apparatus therefor | Tsutomu Toyono, Nagao Hosono, Tohru Takahashi | 1981-09-29 |
| 4265197 | Developing method and apparatus using application of first and second alternating bias voltages for latent image end portions and tone gradation, respectively | Tsutomu Toyono, Shunji Nakamura, Yasuyuki Tamura, Tohru Takahashi | 1981-05-05 |