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IWAI HIROSHI

Overview
  • Total Patents
    11
About

IWAI HIROSHI has a total of 11 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Japan and United States. Its main competitors in its focus markets telecommunications are PINYON TECHNOLOGIES INC, EKSTROEM HANS and NAKANO HISAMATSU.

Patent filings in countries

World map showing IWAI HIROSHIs patent filings in countries
# Country Total Patents
#1 Japan 10
#2 United States 1

Patent filings per year

Chart showing IWAI HIROSHIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Telecommunications

Focus technologies

# Technology
#1 Antennas

Top inventors

# Name Total Patents
#1 Iwai Hiroshi 11
#2 Sakata Tsutomu 1
#3 Kasahara Toshio 1
#4 Aihara Mitsugi 1
#5 Amari Satoru 1
#6 Yamamoto Atsushi 1

Latest patents

Publication Filing date Title
JP2005073215A High voltage semiconductor switch
JP2001053596A High-voltage semiconductor switch
JP2000341952A Ultralow-frequency high voltage power source
JP2000184715A Ultra-low-frequency high-voltage power supply
JP2000092840A Low frequency power supply
JPH1155097A High voltage semiconductor switch
JPH099648A Power supply for high voltage pulse
JPH08316809A High voltage semiconductor switch
JPH08205537A Ultra low-frequency power supply drive
JPH06209571A Ultra-low-frequency high-voltage generator