Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8207034 | Semiconductor memory device and method of manufacturing semiconductor memory device | — | 2012-06-26 |
| 5350656 | Carrier and a production method thereof for developing an electrostatic image | Shigenori Kouno, Ken Ohmura, Yoshiaki Koizumi | 1994-09-27 |
| 5200287 | Carrier for developing electrostatic image | Ken Ohmura, Shigenori Kouno | 1993-04-06 |
| 5194360 | Method of producing a carrier for electrostatic image developer | Ken Ohmura, Shigenori Kouno | 1993-03-16 |
| 5182181 | Resin coated carriers for electrostatic image development and the method of preparing the same | Yoshiaki Koizumi, Shigenori Kouno, Ken Ohmura | 1993-01-26 |
| 5129354 | Electrostatic image developer production apparatus | Yoshiaki Koizumi, Shigenori Kouno, Ken Ohmura | 1992-07-14 |
| 5075158 | Static image-developing carrier and a manufacturing method thereof | Shigenori Kouno | 1991-12-24 |
| 4965159 | Carrier for developing electrostatic image, and developer for developing electrostatic latent image containing same carrier | Shigenori Kohno | 1990-10-23 |