P

Inventor

YAMADA TETSUSHI

US13 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA TETSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHLUMBERGER TECHNOLOGY CORP

9 patents

IDEMITSU PETROCHEMICAL CO

1 patent

GEOSERVICES EQUIPEMENTS

1 patent

TS TECH CO LTD

1 patent

YAMADA TETSUSHI

1 patent