AS

Akira Sugawara

DC Dowa Mining Co.: 1 patents #2 of 4Top 50%
SL Semiconductor Energy Laboratory: 1 patents #27 of 38Top 75%
YA Yazaki: 1 patents #33 of 107Top 35%
Overall (1989): #31,612 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4877481 Patterning method by laser scribing Takeshi Fukuda, Shunpei Yamazaki 1989-10-31
4871399 Copper alloy for use as wiring harness terminal material and process for producing the same Naoyuki Kanahara 1989-10-03