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YAMASHITA DENSHI SEKKEI KK

Overview
  • Total Patents
    17
About

YAMASHITA DENSHI SEKKEI KK has a total of 17 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets audio-visual technology are VIDEOCONFERENCING SYS INC, KYOSHIN TECHNOSONIC CO LTD and OGAWA SHIGEO.

Patent filings in countries

World map showing YAMASHITA DENSHI SEKKEI KKs patent filings in countries
# Country Total Patents
#1 Japan 13
#2 United States 3
#3 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing YAMASHITA DENSHI SEKKEI KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology

Focus technologies

# Technology
#1 Television

Top inventors

# Name Total Patents
#1 Yamashita Yasushi 10
#2 Murakoshi Satoshi 6
#3 Sato Takumi 4
#4 Asai Takashi 4
#5 Moribe Masaki 4
#6 Yamazaki Mataichi 4
#7 Okajima Tadashi 4
#8 Najima Etsuo 2
#9 Sakurai Atsushi 2
#10 Kawabuchi Takashi 1

Latest patents

Publication Filing date Title
WO0178384A1 Image processing device
JPH0981021A Learning system
JPH07212647A Picture processor
JPH0414394A Signal generating circuit
JPH03192392A Video signal output device
JPH02166496A Pulse generating circuit
JPH01295587A Video signal converter
JPS63251990A Transmission system inspecting device
JPS63251989A Transmission system inspecting device
JPS63251988A Transmission system inspecting system
JPS63251987A Transmission system inspecting system
JPS6382180A Video signal converter
JPS6382179A Video signal converter
JPS6147987A Color tone controller