YI

Yasutaka Iwamoto

NC Nippon Pillar Packing Co.: 2 patents #76 of 218Top 35%
MC Mayekawa Mfg. Co.: 1 patents #126 of 273Top 50%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
Overall (All Time): #2,199,676 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6530397 Multi-channel rotary joint Osamu Suzuki 2003-03-11
6325382 Non-contact type mechanical seal Masaaki Furuya, Masahito Ikehara, Yoshimitsu Sekiya 2001-12-04