Keizo Takemasa

DE Denso: 1 patents #312 of 1,056Top 30%

MT Mirise Technologies: 1 patents #35 of 101Top 35%

QL Qd Laser: 1 patents #1 of 6Top 20%

TO Toyota: 1 patents #1,126 of 3,229Top 35%

Overall (2025): #317,038 of 469,880Top 70%

Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
12360405	Optical semiconductor device	Yuki Kamata, Hiroyuki Tarumi, Koichi Oyama, Kenichi Nishi, Yutaka Ohnishi	2025-07-15