Inventor

TSURU KOJI

JP3 patents

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

HITACHI LTD

1 patent

US6173900B1Jan 16, 2001

IC card

HITACHI LTD31 citations89

NIPPON AND TELEGRAPH AND TELEP

1 patent

US6288530B1Sep 11, 2001

Apparatus and method for measuring resonance frequency of electric circuit

NIPPON AND TELEGRAPH AND TELEP8 citations62

DAIDO STEEL CO LTD

1 patent

US7800474B2Sep 21, 2010

Bond magnet for direct current reactor and direct current reactor

DAIDO STEEL CO LTD5 citations56