Hirai; Masashi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hirai; Masashi.The latest application filed is for "piezoelectric resonator device".
Company Profile
1.35.31
- Hirai; Masashi - Kamisu JP
- Hirai; Masashi - Ibaraki JP
- HIRAI; Masashi - Kakogawa-shi JP
- Hirai; Masashi - Kakogawa JP
- HIRAI; Masashi - Kamisu-shi JP
- Hirai; Masashi - Osaka JP
- Hirai; Masashi - Osaka-shi JP
- Hirai; Masashi - Katano JP
- HIRAI; Masashi - Katano-shi JP
- Hirai; Masashi - Ikoma JP
- Hirai; Masashi - Nara JP
Patent Activity
| Patent | Date |
|---|---|
| Diffuser plate and method for producing diffuser plate Grant 10,451,778 - Uchida , et al. Oc | 2019-10-22 |
| Method for designing light diffusion patter, method for manufacturing light diffusion plate, and light diffusion plate Grant 10,126,549 - Uchida , et al. November 13, 2 | 2018-11-13 |
| Piezoelectric Resonator Device App 20180309044 - HIRAI; Masashi | 2018-10-25 |
| Piezoelectric device Grant 10,044,339 - Takase , et al. August 7, 2 | 2018-08-07 |
| Diffuser Plate And Method For Producing Diffuser Plate App 20170235028 - UCHIDA; Atsushi ; et al. | 2017-08-17 |
| Method For Designing Light Diffusion Pattern, Method For Manufacturing Light Diffusion Plate, And Light Diffusion Plate App 20170031156 - UCHIDA; Atsushi ; et al. | 2017-02-02 |
| Piezoelectric Device App 20170026028 - TAKASE; Hidenori ; et al. | 2017-01-26 |
| Belt unit and image forming apparatus Grant 9,128,420 - Mizoguchi , et al. September 8, 2 | 2015-09-08 |
| Image forming apparatus Grant 9,091,967 - Hirai , et al. July 28, 2 | 2015-07-28 |
| Image Forming Apparatus App 20150153685 - Hirai; Masashi ; et al. | 2015-06-04 |
| Belt Unit And Image Forming Apparatus App 20150030357 - MIZOGUCHI; Fumito ; et al. | 2015-01-29 |
| Belt unit and image forming apparatus Grant 8,881,891 - Mizoguchi , et al. November 11, 2 | 2014-11-11 |
| Belt conveyor member and image forming apparatus Grant 8,824,916 - Hirai , et al. September 2, 2 | 2014-09-02 |
| Image forming apparatus of intermediate transfer method, including pre-secondary-transfer charging section and concentration detection section Grant 8,699,902 - Hirai April 15, 2 | 2014-04-15 |
| Belt Unit And Image Forming Apparatus App 20130126314 - MIZOGUCHI; Fumito ; et al. | 2013-05-23 |
| Belt Conveyor Member And Image Forming Apparatus App 20130084097 - HIRAI; Masashi ; et al. | 2013-04-04 |
| Fixing device and image forming apparatus having same Grant 8,355,659 - Kagawa , et al. January 15, 2 | 2013-01-15 |
| Fixing device, image forming apparatus, and method for controlling fixing device Grant 8,295,726 - Kagawa , et al. October 23, 2 | 2012-10-23 |
| Image Forming Apparatus App 20120020686 - HIRAI; Masashi | 2012-01-26 |
| Piezoelectric resonator device Grant 7,919,908 - Murakami , et al. April 5, 2 | 2011-04-05 |
| Transfer belt unit and image forming apparatus using the same Grant 7,917,071 - Hirai , et al. March 29, 2 | 2011-03-29 |
| Ion generating device with a discharge electrode on a dielectric body coated by a protective layer made of metal Grant 7,801,464 - Kagawa , et al. September 21, 2 | 2010-09-21 |
| Fixing Device And Image Forming Apparatus Having Same App 20100183346 - Kagawa; Toshiaki ; et al. | 2010-07-22 |
| Fixing Device And Image Forming Apparatus Having Same App 20100183345 - KAGAWA; Toshiaki ; et al. | 2010-07-22 |
| Fixing Device, Image Forming Apparatus, And Method For Controlling Fixing Device App 20100142988 - Kagawa; Toshiaki ; et al. | 2010-06-10 |
| Ion generating device and image forming apparatus including same Grant 7,725,052 - Hirai , et al. May 25, 2 | 2010-05-25 |
| Piezoelectric Resonator Device App 20090224634 - Murakami; Tatsuya ; et al. | 2009-09-10 |
| Transfer unit, transfer method, and image forming apparatus Grant 7,548,709 - Hirai , et al. June 16, 2 | 2009-06-16 |
| Transfer Belt Unit And Image Forming Apparatus Using The Same App 20090097888 - HIRAI; Masashi ; et al. | 2009-04-16 |
| Ion Generating Device, Method For Producing Ion Generating Device, Charging Device, And Image Forming Apparatus App 20090039244 - Kagawa; Toshiaki ; et al. | 2009-02-12 |
| Ion generating device and image forming apparatus including same App 20080246828 - HIRAI; Masashi ; et al. | 2008-10-09 |
| Detaching/attaching mechanism and image forming device Grant 7,257,351 - Tachiki , et al. August 14, 2 | 2007-08-14 |
| Image formation device and image forming method using same Grant 7,251,445 - Hirai July 31, 2 | 2007-07-31 |
| Transfer device and image forming apparatus Grant 7,162,178 - Takiguchi , et al. January 9, 2 | 2007-01-09 |
| Transfer belt device and image forming apparatus Grant 7,162,192 - Yamada , et al. January 9, 2 | 2007-01-09 |
| Image forming apparatus having transfer bias voltage Grant 7,139,498 - Mashiba , et al. November 21, 2 | 2006-11-21 |
| Transfer unit, transfer method, and image forming apparatus App 20060245782 - Hirai; Masashi ; et al. | 2006-11-02 |
| Image forming apparatus Grant 7,085,504 - Matsuyama , et al. August 1, 2 | 2006-08-01 |
| Transfer belt device and image forming apparatus App 20060067745 - Yamada; Masanori ; et al. | 2006-03-30 |
| Color image forming developer and color image forming apparatus App 20060008721 - Hirai; Masashi | 2006-01-12 |
| Image forming apparatus Grant 6,957,022 - Hirai , et al. October 18, 2 | 2005-10-18 |
| Image formation device and image forming method using same App 20050214038 - Hirai, Masashi | 2005-09-29 |
| Transfer device and image forming apparatus App 20050117932 - Takiguchi, Toshiki ; et al. | 2005-06-02 |
| Multicolored image forming apparatus for forming multicolored and monochromatic images Grant 6,889,027 - Tachiki , et al. May 3, 2 | 2005-05-03 |
| Detaching/attaching mechanism and image forming device App 20050074259 - Tachiki, Hiroshi ; et al. | 2005-04-07 |
| Image forming apparatus Grant 6,876,820 - Hirai , et al. April 5, 2 | 2005-04-05 |
| Image forming apparatus App 20040234280 - Matsuyama, Kazuhiro ; et al. | 2004-11-25 |
| Image forming apparatus App 20040202488 - Mashiba, Tamaki ; et al. | 2004-10-14 |
| Image forming apparatus App 20040184824 - Hirai, Masashi ; et al. | 2004-09-23 |
| Image forming apparatus App 20040161252 - Hirai, Masashi ; et al. | 2004-08-19 |
| Image forming apparatus Grant 6,775,486 - Matsuyama , et al. August 10, 2 | 2004-08-10 |
| Image forming apparatus and transfer unit App 20040062577 - Yamauchi, Kohichi ; et al. | 2004-04-01 |
| Image forming apparatus App 20030156298 - Matsuyama, Kazuhiro ; et al. | 2003-08-21 |
| Multicolored image forming apparatus App 20030156864 - Tachiki, Hiroshi ; et al. | 2003-08-21 |
| Image forming apparatus Grant 6,301,023 - Hirai , et al. October 9, 2 | 2001-10-09 |
| Image forming device App 20010018000 - Hirai, Masashi | 2001-08-30 |
| Apparatus for forming color images by the superimposition of visualized latent images having drive means for simultaneously driving at least a recording medium conveying means and a source of black visualized latent images Grant 6,173,141 - Sakagami , et al. January 9, 2 | 2001-01-09 |
| Apparatus for forming superimposed image patterns having controlled densities Grant 6,148,168 - Hirai , et al. November 14, 2 | 2000-11-14 |
| Sheet conveying system Grant 6,108,514 - Nakayama , et al. August 22, 2 | 2000-08-22 |
| Paper-punching device for use in a image-forming apparatus Grant 6,014,920 - Yamauchi , et al. January 18, 2 | 2000-01-18 |
| Image forming apparatus Grant 5,655,173 - Hirai , et al. August 5, 1 | 1997-08-05 |
| Image transfer device Grant 4,847,652 - Masuda , et al. July 11, 1 | 1989-07-11 |
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