YA

Yuji Akao

CC Citizen Watch Co.: 7 patents #133 of 1,225Top 15%
CC Citizen Electronics Co.: 1 patents #144 of 252Top 60%
CC Citizen Holdings Co.: 1 patents #208 of 431Top 50%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
SC Seiren Co.: 1 patents #61 of 165Top 40%
Overall (All Time): #445,620 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12152213 Industrial oil composition 2024-11-26
10648048 Hexavalent chromium treatment agent and leather or leather article produced using the same 2020-05-12
10358686 Leather or leather article and method for producing same, hexavalent chromium treatment agent, method for treating hexavalent chromium in crude leather or crude leather article 2019-07-23
9783758 Lubricating oil composition for timepiece and timepiece 2017-10-10
9777242 Lubricating oil composition for timepiece and timepiece 2017-10-03
8741820 Lubrication kit and small electronic device using the same Masahiro Furuya 2014-06-03
8448475 Skin material for interior material Fumio Shirasaki 2013-05-28
7897466 Method for manufacturing semiconductor device 2011-03-01
7385880 Grease composition for precision equipment and timepiece containing the same 2008-06-10
6858567 Lubricating oil composition and watch using the same 2005-02-22
6794341 Peak torque lowering composition, part with sliding part using the composition, and press-fitting method using the composition Masayuki Koike 2004-09-21