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IKEGAMI TSUNEO

Overview
  • Total Patents
    11
About

IKEGAMI TSUNEO has a total of 11 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy are YATSUK VLADIMIR G, GUO SHENGJUN and MASSOLLE JOSEPH.

Patent filings in countries

World map showing IKEGAMI TSUNEOs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing IKEGAMI TSUNEOs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy

Focus technologies

# Technology
#1 AC and DC conversion devices

Top inventors

# Name Total Patents
#1 Ikegami Tsuneo 11
#2 Endou Osamu 4
#3 Hata Yoshisada 4
#4 Suzuki Mitsugi 3
#5 Riyuu Shinei 3
#6 Sasaki Saburou 2
#7 Kumano Katsufumi 2
#8 Oota Hirao 2
#9 Onodera Keizou 2
#10 Tsuzuki Takeshi 1

Latest patents

Publication Filing date Title
JPS6373873A Dc-to-dc converter
JPS59139864A Switching circuit control system
JPS5921277A Switching control circuit
JPS58127421A Amplifier element parallel operating circuit
JPS58127420A Deviation amplifier
JPS5415153A Switching regulator
JPS52156333A Regulated dccdc converter
JPS52156331A Dccdc converter switching circuit
JPS52156332A Dccdc converter
JPS5248377A Automatic balancing impedance bridge
JPS5248376A High input impedance probe