Learn more

RIYUUDENSHIYA KK

Overview
  • Total Patents
    24
About

RIYUUDENSHIYA KK has a total of 24 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, electrical machinery and energy and digital networks are WAKO DENKEN KK, SHENZHEN JBT ELECTRONICS TECHNOLOGY CO LTD and HUANG HUANZHU.

Patent filings in countries

World map showing RIYUUDENSHIYA KKs patent filings in countries
# Country Total Patents
#1 Japan 24

Patent filings per year

Chart showing RIYUUDENSHIYA KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ikeda Yoshiaki 8
#2 Suzuki Hiroyuki 6
#3 Hasegawa Jirou 5
#4 Kaaru I Masuroo 4
#5 Hibino Koushirou 4
#6 Kishida Kazuo 4
#7 Iwasaki Kouji 3
#8 Oonuma Yuuichi 2
#9 Sekine Nobuaki 2
#10 Kitada Takao 2

Latest patents

Publication Filing date Title
JPS62254356A Flood light
JPS6283550A Color changer apparatus
JPS6229097A Microwave discharge light source unit
JPS61165902A Power feed for lighting apparatus
JPS6170829A Receiver having synchronous correction circuit
JPS6139487A Memory dimmer
JPS60250594A Device for firing low voltage incandescent bulb
JPS60250598A Portable device for firing discharge lamp
JPS60250599A Device for firing flicker-free discharge lamp
JPS60250595A Device for firing low voltage incandescent bulb
JPS60141114A Method of containing power supply cable
JPS59124689A Pantagraph for hanging and holding load
JPS5980123A Quick charger
JPS5973803A Illuminator hanging device
JPS5971202A Automatic centering device in illuminator handing equipment
JPS5918585A Connector
JPS58218749A Soft starter
JPS58142799A Dimmer
JPS57111903A Wire for lifting gear for illuminator
JPS57126082A Plug socket