Masafumi JO

MA Marubun: 1 patents #10 of 14Top 75%

RI Riken: 1 patents #30 of 129Top 25%

TC Tokyo Ohka Kogyo Co.: 1 patents #36 of 111Top 35%

TK Toshiba Kikai: 1 patents #20 of 54Top 40%

UL Ulvac: 1 patents #21 of 58Top 40%

Overall (2018): #319,420 of 503,207Top 65%

Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9929317	Deep ultraviolet LED and method for manufacturing the same	Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Takafumi Ookawa +5 more	2018-03-27