Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
YM

Yoshiyuki Matsuoka — 15 Patents

Casio Computer Co.: 7 patents #358 of 1,970Top 20%
CCCasio Electronics Manufacturing Co.: 2 patents #29 of 107Top 30%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
T&Tsumura &: 2 patents #26 of 128Top 25%
MLMitsubishi Petrochemical Company Limited: 1 patents #291 of 670Top 45%
TJTsumura Juntendo: 1 patents #8 of 22Top 40%
Yokkaichi, JP: #262 of 2,072 inventorsTop 15%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
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 2013Bar chart with a peak of 2 patents in 1990.peak 21981: 1 patents19811989: 1 patents1990: 2 patents19901991: 1 patents2001: 1 patents20012003: 1 patents2006: 1 patents20062009: 1 patents2010: 1 patents20102011: 1 patents2012: 2 patents20122013: 2 patents2013

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox 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