Learn more

MATSUZAWA SEIKI KK

Overview
  • Total Patents
    22
About

MATSUZAWA SEIKI KK has a total of 22 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets measurement are BOHLIN LEIF RUNE, YAMANASHI GIJUTSU KOBO KK and ISRA GLASS VISION GMBH.

Patent filings in countries

World map showing MATSUZAWA SEIKI KKs patent filings in countries
# Country Total Patents
#1 Japan 15
#2 EPO (European Patent Office) 3
#3 United States 3
#4 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing MATSUZAWA SEIKI KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement

Top inventors

# Name Total Patents
#1 Fukumoto Mitoshi 12
#2 Yamatsuta Sadao 6
#3 Fukumoto Kitoshi 3
#4 Ishikawa Yasuo 3
#5 Fukumoto Mitoshi C O Matsuzawa 1
#6 Mitoshi Fukumoto 1
#7 Tsunamoto Takeshi 1
#8 Tamura Yoshinari 1
#9 Fukumoto Ototoshi 1

Latest patents

Publication Filing date Title
JPH06207897A Hardness tester
JPH05133865A Material tester
JPH0599822A Indentation hardness tester
EP0289127A2 Material testing machine
JPS6444831A Material testing machine
JPS6444830A Material testing machine
JPS6444832A Presser pressing cartridge for material testing machine
JPS63231239A Material tester
JPS63231241A Material tester
JPS63231242A Material tester
JPS59200941A Indentation hardness tester
EP0126776A1 Indentation hardness tester.
JPS6069532A Indentation hardness tester
JPS5956148A Indentation hardness tester
JPS5454085A Pushhin type hardness tester
JPS51127777A Automatic indentation hardness tester
JPS51127778A Automatic indentation hardness tester