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YAMAMOTO RIYUUICHI

Overview
  • Total Patents
    14
About

YAMAMOTO RIYUUICHI has a total of 14 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy, environmental technology and materials and metallurgy are NINGBO SHANSHAN NEW MATERIAL TECHNOLOGY CO LTD, BEIJING DINGNENG KAIYUAN BATTERY TECHNOLOGY CO LTD and PULEAD TECHNOLOGY INDUSTRY CO LTD.

Patent filings in countries

World map showing YAMAMOTO RIYUUICHIs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing YAMAMOTO RIYUUICHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamoto Riyuuichi 13
#2 Yamamoto Mutsuichi 1

Latest patents

Publication Filing date Title
JPS6110008A Metal sulfide
JPS60208052A Zinc battery
JPS60208051A Polyamid cell
JPS60189874A Storage battery
JPS58112247A Battery and storage battery using high molecular compound carrying iodine holding power as electrode
JPS5894762A Polyamide cell
JPS57197759A Iodine storage battery
JPS5715369A Battery and storage battery provided with electrode made of polymer compound having iodine holding capability
JPS5514474A Hot-water boiler
JPS54149936A Air supplying device of pressure tank for waterrfeeding
JPS5444231A Automatically valve closed faucet activated by time lag
JPS5426529A Multiifunctional faucet construction
JPS5410433A Construction of selffclosed faucet
JPS546130A Construction of faucet adapted to automatically close in time lag