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

Kunitaka Yamamoto — 36 Patents

SLSemiconductor Energy Laboratory: 35 patents #263 of 1,113Top 25%
SCSemiconductor Energy Laboratories Co.: 1 patents #6 of 38Top 20%
Yokohama, JP: #2,331 of 49,234 inventorsTop 5%
Overall (All Time): #92,222 of 4,157,543Top 3%
36 Patents All Time
Kunitaka Yamamoto has been granted 36 US patents while listed as an inventor at Semiconductor Energy Laboratory. The first was granted in 2004 and the most recent in August 2025. Kunitaka Yamamoto ranks #92,222 of 4,157,543 US inventors in our database (top 2.2%). Patent records list Kunitaka Yamamoto in Yokohama, JP.

Patents per Year

Patents granted per year, 2004 to 2025Bar chart with a peak of 5 patents in 2010.peak 52004: 2 patents20042006: 2 patents2007: 1 patents20072008: 2 patents2009: 4 patents20092010: 5 patents2011: 3 patents20112012: 4 patents2013: 1 patents20132014: 4 patents2015: 3 patents20152016: 2 patents2024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12387146 Content classification method Junpei Momo, Kazuki HIGASHI, Takahiro FUKUTOME 2025-08-12
12169515 Document search system and document search method Junpei Momo, Kazuki HIGASHI 2024-12-17
12061644 Image retrieval system and image retrieval method Kengo Akimoto, Shigeru TAMAKI, Isamu Shigemori 2024-08-13
9368680 Electro-optical device and electronic device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2016-06-14
9293726 Method for manufacturing an electro-optical device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2016-03-22
9178177 Electro-optical device and electronic device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2015-11-03
9123854 Electro-optical device and electronic device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2015-09-01
8987988 Display device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2015-03-24
8890172 Method for manufacturing an electro-optical device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2014-11-18
8884301 EL display device and a method of manufacturing the same Shunpei Yamazaki, Masaaki Hiroki, Takeshi Fukunaga 2014-11-11
8853696 Electro-optical device and electronic device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2014-10-07
8674600 Display device Shunpei Yamazaki, Jun Koyoma, Toshimitsu Konuma 2014-03-18
8421350 Electro-optical device and electronic device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2013-04-16
8319224 EL display device and a method of manufacturing the same Shunpei Yamazaki, Masaaki Hiroki, Takeshi Fukunaga 2012-11-27
8227809 Electro-optical device and electronic device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2012-07-24
8203265 Electro-optical device and electronic device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2012-06-19
8133748 EL display device and method of manufacturing the same Shunpei Yamazaki, Masaaki Hiroki, Takeshi Fukunaga 2012-03-13
7989812 EL display device and a method of manufacturing the same Shunpei Yamazaki, Masaaki Hiroki, Takeshi Fukunaga 2011-08-02
7919341 Thin film forming apparatus Shunpei Yamazaki, Masaaki Hiroki, Takeshi Fukunaga 2011-04-05
7880167 Method for manufacturing an electro-optical device or electroluminescence display device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2011-02-01
7825588 Electro-optical device and electronic device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2010-11-02
7745991 Electro-optical device having an EL layer over a plurality of pixels Shunpei Yamazaki, Yasuyuki Arai 2010-06-29
7741775 Electro-optical device and electronic device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2010-06-22
7701134 Active matrix display device with improved operating performance Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2010-04-20
7642559 Electro-optical device and electronic device Shunpei Yamazaki, Jun Koyama, Toshimitsu Konuma 2010-01-05