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KOTOBUKI & CO LTD

Overview
  • Total Patents
    1,164
  • GoodIP Patent Rank
    11,111
  • Filing trend
    ⇩ 3.0%
About

KOTOBUKI & CO LTD has a total of 1,164 patent applications. It decreased the IP activity by 3.0%. Its first patent ever was published in 1975. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets consumer goods, furniture and games and packaging and shipping are BOSSERT & ERHARD, MICRO KK and MOECK GERHARD.

Patent filings per year

Chart showing KOTOBUKI & CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kageyama Shuhei 264
#2 Kageyama Hidehei 236
#3 Mitsuya Yoshihide 205
#4 Noguchi Yoshio 186
#5 Odaka Tadao 89
#6 Suzuki Tomoaki 55
#7 Suzuki Takahiko 47
#8 Ebinuma Tadayoshi 41
#9 Yamazaki Ryokichi 33
#10 Fukushima Makoto 32

Latest patents

Publication Filing date Title
GB202100182D0 A Seating Accessory Joint
JP2020078607A Mounting structure of seat standing type chair
US2021070094A1 Methods for manufacturing ball pen tips, ball pen tip manufacturing machines, ball pen tips and ball pens
TW202011864A Stationary, cosmetic material container, and cosmetic device
US2020361230A1 Writing instrument and method for manufacturing writing instrument
US2020345614A1 Bodypainting inks, bodypainting instruments and methods for manufacturing bodypainting inks
TW201941981A Writing tool
JP2020133205A Capsule beds
TW201938401A mechanical pencil
JP2020056225A Retractable audience seating
WO2019026935A1 Writing instrument
CN110997344A Writing implement
WO2020016947A1 Cosmetic container, cosmetic, application container and stationery
TW202003276A Mechanical pencil including a shaft tube, a chuck mechanism, a first buffer spring and a second buffer spring
WO2018190311A1 Mechanical pencil
TW201832947A mechanical pencil
TW201831794A Shaft cylinder assembly, writing utensil, and container
WO2018110682A1 Mechanical pencil
KR20190093596A Rod-shaped feeding container
TW201831340A Writing tool