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IWASAKI KOSEI

Overview
  • Total Patents
    31
About

IWASAKI KOSEI has a total of 31 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Germany and United States. Its main competitors in its focus markets consumer goods are KATOH KINZOKU KOGYO, ITALIANA DI PENNE A SERBATOIO and KAWECO BADISCHE FUELLFEDERFABR.

Patent filings in countries

World map showing IWASAKI KOSEIs patent filings in countries
# Country Total Patents
#1 Japan 27
#2 Germany 2
#3 United States 2

Patent filings per year

Chart showing IWASAKI KOSEIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Consumer goods

Focus technologies

Top inventors

# Name Total Patents
#1 Iwasaki Kousei 21
#2 Iwasaki Kosei 9
#3 Shibuya Yoshiaki 1

Latest patents

Publication Filing date Title
JPS629998A Small writing utensil
JPS61112700A Fixture for internal mechanism, holder, cap, etc. in writingutensil
JPS60250997A Writing utensil having perfume
JPS60250996A Writing utensil capable of displaying full name and telephone number
JPS60248399A Writing utensil
JPS60132800A Very thin ball pen
JPS60124299A Writing utensil incorporating music box
DE3343001A1 DEVICE FOR PREVENTING DRYING OF THE TIP OF A CARTRIDGE WRITING PEN
JPS58136499A Holder cylinder for note and dressing tool
JPS5649299A Extrusion type note
JPS56144198A Propelling pencil
JPS5678994A Extrusion type note
JPS5642692A Note
JPS55159997A Slider for holding lead of extrusion type note
JPS55159998A Slider for holding lead of extrusion type note
JPS54154628A Pusheddout type writing implement
JPS54144222A Pusheddout writing implement
JPS54126131A Slide tube for pusheddout writing implement
JPS5442212A Fiber pen
JPS53140131A Fiber pen