Issued Patents All Time
Showing 1–25 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11563304 | Lighting module, distance measuring device, movable body, and light source drive circuit | Yuuki Oka, Takumi Satoh, Tsuyoshi Ueno | 2023-01-24 |
| 10324397 | Image forming apparatus and image forming method | Muneaki Iwata, Masaaki Ishida, Hayato Fujita, Takefumi Takizawa | 2019-06-18 |
| 10298807 | Image forming apparatus | Muneaki Iwata, Masaaki Ishida, Naoto Watanabe, Hayato Fujita | 2019-05-21 |
| 10133971 | Image forming apparatus and method for driving light source | Hayato Fujita, Masaaki Ishida, Muneaki Iwata | 2018-11-20 |
| 10132926 | Range finder, mobile object and range-finding method | Masataka Uehira, Kohji Sakai | 2018-11-20 |
| 9961227 | Light source drive control device, image forming apparatus, light source drive control method, and computer program product | Masaaki Ishida, Muneaki Iwata, Hayato Fujita | 2018-05-01 |
| 9760813 | Image forming apparatus | Muneaki Iwata, Masaaki Ishida, Hayato Fujita | 2017-09-12 |
| 9703244 | Image forming apparatus to correct a driving signal for driving a light source | Muneaki Iwata, Masaaki Ishida, Naoto Watanabe, Hayato Fujita | 2017-07-11 |
| 9659243 | Image forming apparatus and method for driving light source | Hayato Fujita, Masaaki Ishida, Muneaki Iwata | 2017-05-23 |
| 9606471 | Image forming apparatus | Masaaki Ishida, Muneaki Iwata, Hayato Fujita | 2017-03-28 |
| 9527303 | Image forming apparatus and image forming method to form an image by scanning an image bearer with light modulated based on image information | Masaaki Ishida, Muneaki Iwata, Hayato Fujita | 2016-12-27 |
| 9521295 | Image forming apparatus and image forming method | Hayato Fujita, Masaaki Ishida, Naoto Watanabe, Muneaki Iwata | 2016-12-13 |
| 9466016 | Image forming apparatus which forms image data indicating whether a pixel is for a character or line | Muneaki Iwata, Masaaki Ishida, Naoto Watanabe, Hayato Fujita | 2016-10-11 |
| 9411256 | Image forming apparatus, image forming method, and method of producing printed material for generating a parallel line dither pattern of uniform concentration | Muneaki Iwata, Masaaki Ishida, Hayato Fujita | 2016-08-09 |
| 9405211 | Light source drive circuit, optical scanning apparatus, and image forming apparatus | Hayato Fujita, Masaaki Ishida, Muneaki Iwata | 2016-08-02 |
| 9361558 | Image forming apparatus and image forming method | Masaaki Ishida, Muneaki Iwata, Hayato Fujita | 2016-06-07 |
| 9298122 | Image forming apparatus, image forming method, and method of producing printed material for generating a parallel line pattern of uniform concentration | Muneaki Iwata, Masaaki Ishida, Hayato Fujita | 2016-03-29 |
| 9155148 | Light source drive device, optical scanning device and image forming apparatus | Masaaki Ishida, Hayato Fujita | 2015-10-06 |
| 9111203 | Image forming apparatus | Muneaki Iwata, Masaaki Ishida, Hayato Fujita | 2015-08-18 |
| 9035988 | Light source driving device, light scanning device and image forming apparatus | Yasuhiro Nihei, Masaaki Ishida, Jun Tanabe | 2015-05-19 |
| 8995486 | Semiconductor laser control device and image forming device | Masaaki Ishida | 2015-03-31 |
| 8983318 | Image forming apparatus with a density sensor for detecting density fluctuations | Masaaki Ishida, Kazuhiro Akatsu, Muneaki Iwata, Hayato Fujita | 2015-03-17 |
| 8982422 | Method and apparatus for forming images, and method for producing printed products | Muneaki Iwata, Masaaki Ishida, Hayato Fujita | 2015-03-17 |
| 8976426 | Light source driving circuit, optical scanning device, and image forming apparatus | Muneaki Iwata, Hayato Fujita | 2015-03-10 |
| 8957934 | Light source drive circuit, optical scanning apparatus, semiconductor drive circuit, and image forming apparatus | Hayato Fujita, Muneaki Iwata, Masaaki Ishida | 2015-02-17 |