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IWAMOTO MASATOSHI

Overview
  • Total Patents
    18
About

IWAMOTO MASATOSHI has a total of 18 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets environmental technology, electrical machinery and energy and computer technology are MIRAIT CORP, YONETANI AKIHIKO and HUI CHEN.

Patent filings in countries

World map showing IWAMOTO MASATOSHIs patent filings in countries

Patent filings per year

Chart showing IWAMOTO MASATOSHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Iwamoto Masatoshi 18
#2 Iwamoto Kametaro 2
#3 Doi Hiroshi 1
#4 Eto Hideo 1
#5 Aoki Masaaki 1

Latest patents

Publication Filing date Title
WO2009107486A1 Electronic apparatus with usable time limitation function, computer program used for the apparatus and recording medium therefor
WO2008102492A1 Personal computer system with use time limit function, computer program used for the same, and recording medium thereof
WO2004082095A1 Power receiving facility power factor adjusting system
JP2004007956A Power factor regulation system of power receiving facility
JP2003153446A Non-powered automatic power-factor regulating system in receiving equipment
JP2003153403A Transformer cooling method
JP2003133147A Loss-reduced type transformer tap
JP2003134621A Weighted calculation method for calculating wire size
JP2003087975A Non-powered automatic power factor regulator of power receiving facility
JP2001084076A Control of pointer and computer system
JP2000100451A Set dry battery leakless circuit
JP2000067880A Leakage current reducing circuit for dry battery
JP2000057281A Insertion direction specifying magnetic card for both nonhandicapped person and handicapped person
JP2000011976A Polarity-free dry battery case
JPH1029884A Method for converting waste material containing caffeine from food industry into fertilizer
JPH1015358A Production of purified astringent persimmon
JPS6129110A Single-phase symmetrical multipurpose transformer