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HAYASHI KOUTAKU

Overview
  • Total Patents
    13
About

HAYASHI KOUTAKU has a total of 13 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are VORON TSEX KT B PROMTEPLITSA, DOUMON KENSETSU KK and ZHANG RONGQUN.

Patent filings in countries

World map showing HAYASHI KOUTAKUs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing HAYASHI KOUTAKUs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Hayashi Koutaku 13
#2 Hayashi Hiroki 8
#3 Shimane Yasuko 4
#4 Uchida Chieko 4
#5 Watanabe Atsuko 4
#6 Fujioka Etsuko 4
#7 Kuwayama Mariko 4
#8 Nakashima Tomoko 2
#9 Oono Akiko 2

Latest patents

Publication Filing date Title
JPH08208493A Hair tonic
JPH0820517A Hair cultivating agent and its preparation
JPH07101830A Hair restoring agent
JPH0710724A Hair cultivating agent
JPH0710722A Hair cultivating agent
JPH072631A Hair cultivating agent
JPH06345623A Hair tonic
JPH06329520A Hair growth quickening agent
JPS57192319A Water-soluble extract from alga of genus pediastrum
JPS5714533A Preparation for immunochemical therapy, prevention of drug resistance and anticancer
JPS56131516A Immunochemotherapy, prevention of resistance to drug, and carcinostatic agent
JPS56115716A Immuno-chemotherapeutic, drug resistance preventing, carcinostatic agent
JPS5643210A Immunity enhancing, drug resistance preventive and carcinostatic agent