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

Masato Doi — 105 Patents

Sony: 83 patents #172 of 25,231Top 1%
Rohm Co.: 9 patents #331 of 2,292Top 15%
KOKonica: 8 patents #304 of 1,958Top 20%
ICIdemitsu Petrochemical Co.: 2 patents #182 of 578Top 35%
ILIsuzu Motors Limited: 2 patents #255 of 908Top 30%
KMKonica Minolta: 1 patents #1,862 of 2,718Top 70%
Yokohama, JP: #301 of 49,234 inventorsTop 1%
Overall (All Time): #13,163 of 4,157,543Top 1%
105 Patents All Time
Masato Doi has been granted 105 US patents while listed as an inventor at Sony. The first was granted in 1984 and the most recent in February 2022. Masato Doi ranks #13,163 of 4,157,543 US inventors in our database (top 0.32%). Patent records list Masato Doi in Yokohama, JP.

Patents per Year

Patents granted per year, 1984 to 2022Bar chart with a peak of 17 patents in 2006.peak 171984: 1 patents19841994: 1 patents1995: 2 patents1996: 2 patents19961997: 3 patents1998: 8 patents1999: 3 patents19992000: 5 patents2001: 3 patents2002: 4 patents20022003: 6 patents2004: 9 patents2005: 9 patents20052006: 17 patents2007: 5 patents2008: 3 patents20082009: 6 patents2010: 5 patents2011: 4 patents20112012: 2 patents2013: 3 patents2014: 1 patents20142015: 1 patents2016: 1 patents2022: 1 patents2022

Issued Patents All Time

Showing 1–25 of 105 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
RE48929 Display device Katsuhiro Tomoda, Toshiya Takagishi, Izushi Kobayashi, Masaru Fujii, Hiroshi Terahara +1 more 2022-02-15
9250456 Display device Katsuhiro Tomoda, Toshiya Takagishi, Izushi Kobayashi, Masaru Fujii, Hiroshi Terahara +1 more 2016-02-02 $409,000
9006968 Mounting substrate and optical unit Toshihiko Watanabe, Yoichi Ohshige, Akiyoshi Aoyagi 2015-04-14 $538,000
8741451 Crystal film, crystal substrate, and semiconductor device Etsuo Morita, Yousuke Murakami, Goshi Biwa, Hiroyuki Okuyama, Toyoharu Oohata 2014-06-03 $102,000
8476826 Manufacturing method of display device and display device Toyoharu Oohata, Katsuhiro Tomoda, Naoki Hirao 2013-07-02 $205,000
8409886 Method of producing image display unit Toshiaki Iwafuchi, Toyoharu Oohata 2013-04-02 $106,000
8379003 Display device and wiring routing method Hidehiro Kawaguchi, Toshiaki Kanemitsu, Makoto Natori 2013-02-19 $113,000
8257538 Device transfer method and display apparatus Katsuhiro Tomoda, Toshihiko Watanabe, Toyoharu Oohata 2012-09-04 $95,000
8101457 Mounting method, mounted structure, manufacturing method for electronic equipment, electronic equipment, manufacturing method for light-emitting diode display, and light-emitting diode display Katsuhiro Tomoda, Toshiya Takagishi, Toshiaki Kanemitsu 2012-01-24 $144,000
7956380 Semiconductor light-emitting device Jun Suzuki, Goshi Biwa, Hiroyuki Okuyama 2011-06-07 $204,000
7888690 Image display unit with light emitting devices having a resin surrounding the light emitting devices Toshiaki Iwafuchi, Toyoharu Oohata 2011-02-15 $319,000
7884543 Method of forming wiring of light emitting device, substrate for mounting light emitting device, display, back light, illuminating apparatus and electronic appliance 2011-02-08 $301,000
7880184 Image display unit Toshiaki Iwafuchi, Toyoharu Oohata 2011-02-01 $277,000
7795049 Light-emitting device, light-emitting apparatus, image display apparatus, method of manufacturing light-emitting device, and method of manufacturing image display apparatus Toshihiko Watanabe, Nobuaki Sato 2010-09-14 $382,000
7795629 Light-emitting diode display and method for manufacturing the same Toshihiko Watanabe, Shoichi Muraguchi 2010-09-14 $382,000
7744770 Device transfer method Toyoharu Oohata 2010-06-29 $267,000
7727331 Crystal firm, crystal substrate, and semiconductor device Etsuo Morita, Yousuke Murakami, Goshi Biwa, Hiroyuki Okuyama, Toyoharu Oohata 2010-06-01 $248,000
7700959 Semiconductor light-emitting device, semiconductor light-emitting apparatus, and method of manufacturing semiconductor light-emitting device Jun Suzuki, Hiroyuki Okuyama, Goshi Biwa 2010-04-20 $281,000
7589355 Light emitting diode, method of manufacturing light emitting diode, light emitting diode backlight, light emitting diode illuminating device, light emitting diode display, and electronic apparatus Katsuhiro Tomoda, Jun Suzuki, Kensuke Kojima 2009-09-15 $911,000
7573194 Display apparatus and method of manufacturing display apparatus Toyoharu Oohata, Katsuhiro Tomoda, Toshihiko Watanabe 2009-08-11 $908,000
7572649 Device transferring system, device transferring method, and display manufacturing method Toshiaki Kanemitsu, Yuji Nishi, Katsuhiro Tomoda 2009-08-11 $908,000
7564064 Semiconductor light emitting device, an integrated semiconductor light emitting apparatus, an image display apparatus, and an illuminating apparatus having a semiconductor layer with conical crystal portion Toyoharu Oohata, Hiroyuki Okuyama, Goshi Biwa, Jun Suzuki 2009-07-21 $709,000
7553370 Crystal growth method for nitride semiconductor and formation method for semiconductor device Goshi Biwa, Hiroyuki Okuyama, Toyoharu Oohata 2009-06-30 $762,000
7501663 Semiconductor light-emitting device, and image display device and lighting unit comprising same Hiroyuki Okuyama, Goshi Biwa, Toyoharu Oohata, Tomoyuki Kikutani 2009-03-10 $470,000
7468528 Semiconductor light-emitting device Jun Suzuki, Hiroyuki Okuyama, Goshi Biwa 2008-12-23 $828,000