Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9244416 | Apparatus for measuring deposited toner amount commonly for thickness and area determining regions | Tokuhiko Ito | 2016-01-26 |
| 7929892 | High accuracy multi-color image forming apparatus and method for detecting positioning color image patterns | — | 2011-04-19 |
| 7689151 | Multi-color image-forming apparatus, optical sensor, and method for the same | Kenji Katsuhara, Katsuya Motohira | 2010-03-30 |
| 7582888 | Reflection type optical sensor and method for detecting surface roughness | Kazuhisa SHINNO | 2009-09-01 |
| 5600492 | Surface-curved optical element adapted for emergence and incidence of parallel light rays | Hirokazu Tanaka | 1997-02-04 |
| 5337137 | Height sensor and air spring device incorporating the same | Norio Nihei | 1994-08-09 |
| 5272728 | Preamble length adjustment method in communication network and independent synchronization type serial data communication device | — | 1993-12-21 |
| 5056913 | Optical gauging apparatus | Hirokazu Tanaka, Kiyomitsu Ishikawa | 1991-10-15 |
| 5017195 | Non-dustable granular dye: dye particles coated with hydroxylpropyl cellulose or carbohydrate | Fumitaka Satou | 1991-05-21 |