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CHUGAI ELECTRIC IND CO LTD

Overview
  • Total Patents
    353
  • GoodIP Patent Rank
    234,838
  • Filing trend
    ⇩ 100.0%
About

CHUGAI ELECTRIC IND CO LTD has a total of 353 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1965. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and machines are MALLORY METALLURG PROD LTD, SHIBAFU ENG KK and TOKURIKI HONTEN KK.

Patent filings in countries

World map showing CHUGAI ELECTRIC IND CO LTDs patent filings in countries

Patent filings per year

Chart showing CHUGAI ELECTRIC IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shibata Akira 255
#2 Tabei Shigeru 15
#3 Hirata Teruo 13
#4 Tanaka Seiichi 12
#5 Shibata A 11
#6 Iida Shoji 11
#7 Tanaka Yasukazu 10
#8 Yida Masaharu 8
#9 Tanaka Yasufumi 8
#10 Akira Shibata 6

Latest patents

Publication Filing date Title
JP2018206529A Rivet type electric composite contact
JP2004303505A Electric contact material
JP2000173385A Electric composite contact for caulking
JPH11140563A Electrical contact material
JPH10249469A Metallic wire for manufacturing electric contact
JPH07114848A Contact for circuit breaker
US5366135A Method of making composite electrical contact
JPH06136473A Internally oxidized electrical contact material of ag-sn alloy
JPH06136472A Internally oxidized electrical contact material of ag-sn-in alloy
JPH05140674A Silver-manganese oxide electric contact material
JPH05144342A Bimetal electric contact
JPH05140675A Silver-manganese oxide electric contact material
JPH05128926A Bimetal electric contact
JPH05120940A Bimetal electric contact
JPH04311543A Ag-sno-ino electrical contact material and production thereof
HK8891A Electrical contact material
SG73290G Electrical contact material
CN1054505A Silver-tin oxide electric contact material and their method of production
PT93194A Process for the manufacture of Ag-SnO materials for electrical contacts
AU4971990A Ag-sno electrical contact materials and manufacturing method thereof