Inventor
TOKUMOTO KEI
JP4 patents
⚠️ This page may combine multiple inventors who share the name “TOKUMOTO KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TANKEN SEIKO KK
2 patentsUS4997192AMar 5, 1991
Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same
TANKEN SEIKO KK27 citations90
US4925490AMay 15, 1990
Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same
TANKEN SEIKO KK18 citations79