Yoshiyuki Matsuoka has been granted 15 US patents while listed as an inventor at Casio Computer Co. . The first was granted in 1981 and the most recent in May 2013. Yoshiyuki Matsuoka ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Yoshiyuki Matsuoka in Yokkaichi, JP.
Patents per Year Patents granted per year, 1981 to 2013 Bar chart with a peak of 2 patents in 1990. peak 2 1981: 1 patents 1981 1989: 1 patents 1990: 2 patents 1990 1991: 1 patents 2001: 1 patents 2001 2003: 1 patents 2006: 1 patents 2006 2009: 1 patents 2010: 1 patents 2010 2011: 1 patents 2012: 2 patents 2012 2013: 2 patents 2013
Issued Patents All Time
Showing 1–15 of 15 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8446445
Exposure device, image forming apparatus and method for operating exposure device
Isao Ebisawa , Kenji Kobayashi , Tomoyuki Shirasaki , Tsuyoshi Ozaki
2013-05-21
8410689
Stacked body having a light emitting element and a light detecting element for measuring an amount of light, a light emitting device, and an image formation device
Isao Ebisawa , Kenji Kobayashi
2013-04-02
8199182
Exposing device and image forming apparatus
Isao Ebisawa , Kenji Kobayashi
2012-06-12
8144176
Exposure apparatus, method for correcting emission quantity of exposure apparatus, and image forming apparatus
Kenji Kobayashi , Isao Ebisawa
2012-03-27
7898562
Exposing device and image forming apparatus
Isao Ebisawa , Kenji Kobayashi
2011-03-01
7698875
Method of manufacturing a cake-shaped decorative accessory made of a towel
Tadayoshi Iwaki
2010-04-20
7628274
Cake-shaped decorative accessory made of a towel in a cup
Tadayoshi Iwaki
2009-12-08
7022444
Color image forming method and apparatus, and microcapsule toner for use therewith
Kazumasa Kawada , Shigeru Shimizu , Isao Ebisawa , Shuichi Yamasaki , Naoto Yoshida +6 more
2006-04-04
$107,000
6641717
Water purifier
Masaaki Okano , Atsushi Hatakeyama , Kunio Kido
2003-11-04
6215511
Optical writing head driving device
Makoto Asako , Kenji Takano , Kazutaka Otsuka , Yutaka Ichimura , Yukio Akita +2 more
2001-04-10
5032685
Biphenyl derivative and production and use thereof
Kunio Hosaka , Shigefumi Takeda , Hiroshi Mitsuhashi
1991-07-16
4962211
Novel biphenyl derivative and production and use thereof
Kunio Hosaka , Shigefumi Takeda , Hiroshi Mitsuhashi
1990-10-09
4904694
Biphenyl derivative useful in the treatment of liver diseases
Kunio Hosaka , Shigefumi Takeda , Hiroshi Mitsuhashi
1990-02-27
4877567
Method for manufacturing an electrically insulating formed channel member
Yasuji Yoshizumi
1989-10-31
4247729
Process for producing high purity benzene
Hideyuki Takahashi , Susumu Hamanishi
1981-01-27