TO

Takafumi Ookawa

MA Marubun: 2 patents #8 of 14Top 60%
RI Riken: 2 patents #18 of 129Top 15%
TC Tokyo Ohka Kogyo Co.: 2 patents #19 of 111Top 20%
TK Toshiba Kikai: 2 patents #9 of 54Top 20%
UL Ulvac: 2 patents #11 of 58Top 20%
📍 Mishima, JP: #34 of 103 inventorsTop 35%
Overall (2018): #97,704 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9929311 Semiconductor light emitting element and method for producing the same Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Hideki Hirayama +5 more 2018-03-27
9929317 Deep ultraviolet LED and method for manufacturing the same Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Hideki Hirayama +5 more 2018-03-27