YY

Yasuyuki YOKOYAMA

IC Iwatsu Electric Co.: 2 patents #43 of 212Top 25%
TC Tpr Co.: 1 patents #46 of 92Top 50%
Overall (All Time): #1,421,499 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11460073 Thrust washer Hideyoshi Noguchi 2022-10-04
4557592 Exposure-scanning apparatus Takayoshi Hatano, Kenji Suzuki, Koichiro Fujioka 1985-12-10
4239371 Electrophotographic copying machines Yousuke Igarashi, Minehiro Sakata, Shuichi Kudo, Masanori Kai 1980-12-16