Matsunawa; Masahiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Matsunawa; Masahiko.The latest application filed is for "color image forming apparatus with photoreceptor protector".
- Matsunawa; Masahiko - Hachioji JP
- Matsunawa; Masahiko - Ome JP
- Matsunawa; Masahiko - Fussa JP
- Matsunawa; Masahiko - Tokyo JP
- Matsunawa; Masahiko - Hino JP
| Patent | Date |
|---|---|
| Color image forming apparatus with photoreceptor protector Grant 5,486,898 - Fujii , et al. January 23, 1 | 1996-01-23 |
| Color image processing apparatus capable of discriminating between a monochromatic document and a color document Grant 5,357,354 - Matsunawa , et al. October 18, 1 | 1994-10-18 |
| Image processing method and apparatus Grant 5,259,041 - Kato , et al. November 2, 1 | 1993-11-02 |
| Digital color image processing apparatus Grant 5,053,867 - Yamamoto , et al. * October 1, 1 | 1991-10-01 |
| Apparatus for color processing specifically inside or outside a detected region Grant 5,016,096 - Matsunawa , et al. May 14, 1 | 1991-05-14 |
| Image processor with improved discrimination between character image and tonal image Grant 5,001,576 - Tanaka , et al. March 19, 1 | 1991-03-19 |
| Image processing apparatus Grant 4,980,760 - Hiratsuka , et al. December 25, 1 | 1990-12-25 |
| Color image processing device having ability to process and record an outside or inside region enclosed with a color marker Grant 4,937,662 - Matsunawa , et al. June 26, 1 | 1990-06-26 |
| Technique for reproducing an image read from a color original Grant 4,879,595 - Niki , et al. November 7, 1 | 1989-11-07 |
| Continuous image estimation method Grant 4,841,377 - Hiratsuka , et al. June 20, 1 | 1989-06-20 |
| Color image processing apparatus Grant 4,841,361 - Matsunawa , et al. June 20, 1 | 1989-06-20 |
| Technique for interpolating a color image for image enlargement or reduction based on look-up tables stored in memory Grant 4,833,531 - Abe , et al. May 23, 1 | 1989-05-23 |
| Image processing method and image forming apparatus Grant 4,825,246 - Fukuchi , et al. April 25, 1 | 1989-04-25 |
| Halftone image estimation methods for dither images Grant 4,803,558 - Hiratsuka , et al. February 7, 1 | 1989-02-07 |
| Image processing method and apparatus therefor Grant 4,783,838 - Matsunawa November 8, 1 | 1988-11-08 |
| Methods of compressing and reproducing color image data Grant 4,768,082 - Hiratsuka , et al. August 30, 1 | 1988-08-30 |
| Method and apparatus for estimating halftone image from binary image Grant 4,758,897 - Hiratsuka , et al. July 19, 1 | 1988-07-19 |
| Method of discriminating pictures Grant 4,741,046 - Matsunawa , et al. April 26, 1 | 1988-04-26 |
| Image processing apparatus Grant 4,717,964 - Abe , et al. January 5, 1 | 1988-01-05 |
| Image processing method Grant 4,710,822 - Matsunawa December 1, 1 | 1987-12-01 |
| Picture image discriminating apparatus Grant 4,578,712 - Matsunawa March 25, 1 | 1986-03-25 |
| Ion modulating electrode Grant 4,562,447 - Tarumi , et al. * December 31, 1 | 1985-12-31 |
| Picture image discriminating apparatus Grant 4,556,916 - Matsunawa December 3, 1 | 1985-12-03 |
| Shading correction device Grant 4,524,388 - Abe , et al. June 18, 1 | 1985-06-18 |
| Recording apparatus and method of picture image Grant 4,495,522 - Matsunawa , et al. January 22, 1 | 1985-01-22 |
| Recording apparatus with editing capability Grant 4,435,723 - Seimiya , et al. March 6, 1 | 1984-03-06 |
| Ion modulating electrode Grant 4,426,654 - Tarumi , et al. January 17, 1 | 1984-01-17 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 