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KUROI KOSAN KK

Overview
  • Total Patents
    61
About

KUROI KOSAN KK has a total of 61 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, France and United States. Its main competitors in its focus markets electrical machinery and energy, machines and basic communication technologies are JORCK & LARSEN, PATENT TREUHAND GES FUER and PARRATT DAVID.

Patent filings in countries

World map showing KUROI KOSAN KKs patent filings in countries
# Country Total Patents
#1 Japan 56
#2 France 2
#3 United States 2
#4 United Kingdom 1

Patent filings per year

Chart showing KUROI KOSAN KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Miyajima Masayoshi 39
#2 Kuroi Hisashi 25
#3 Matoba Takao 12
#4 Kubo Yukio 11
#5 Nozawa Shiyunichi 2
#6 Nakano Akira 2
#7 Kuwabara Masahiro 2
#8 Hirono Akira 2
#9 Wada Tsuneo 2
#10 Washikita Toshiji 1

Latest patents

Publication Filing date Title
JPS6313201A Connection holding construction
JPS62256302A Lighting apparatus
JPS62202407A Shade for lighting fixture
JPS62100016A Timer circuit
JPS6261296A Dimmer
JPS6261297A Illuminator
JPS6245706A Hat with wind generator
JPS6218822A Timer circuit
JPS60232135A Magnetic pendulum
JPS60153874A Foot surface electric treatment apparatus
JPS5949195A Starting circuit for discharge lamp unit
JPS5933797A Device for firing discharge lamp
JPS5922306A Magnetic core for discharge lamp stabilizer
JPS598298A Device for firing discharge lamp
JPS58220392A Starting circuit for device for firing induction lamp
JPS58133714A Simple remote controller for light load
JPS58126083A Industrial robot
JPS58114883A Industrial robot
JPS58108693A Simple remote control device for light load
JPS5817605A Stabilizer for discharge lamp