Inventor

TSURUMI SHIGEYUKI

3 patents

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

NIPPON TELEGRAPH & TELEPHONE

2 patents

US4330331AMay 18, 1982

Electric contact material and method of producing the same

NIPPON TELEGRAPH & TELEPHONE10 citations71

US4279649AJul 21, 1981

Electrical contact material

NIPPON TELEGRAPH & TELEPHONE12 citations68

HAKUSAN INC

1 patent

US11502235B2Nov 15, 2022

Thermoelectric material and thermoelectric module

HAKUSAN INC0 citations50