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SEIWA CO LTD

Overview
  • Total Patents
    277
  • GoodIP Patent Rank
    92,691
  • Filing trend
    ⇩ 33.0%
About

SEIWA CO LTD has a total of 277 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 1980. It filed its patents most often in Japan, Republic of Korea and China. Its main competitors in its focus markets environmental technology, agriculture and consumer goods are QINGDAO FARM HOUSE VEGETABLE PROFESSIONAL COOPERATIVES, KURSKIJ SELSKOKHOZ I IM I I IV and CHEMICAL DEFENSE INST OF PLA.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kuroki Makoto 21
#2 Iwai Kazuya 20
#3 Usui Kiyoshi 16
#4 Iwamoto Tsuneo 16
#5 Higano Motoi 15
#6 Arai Hitoshi 15
#7 Kondo Takeshi 14
#8 Hoshino Takashi 14
#9 Oikawa Atsushi 13
#10 Nomura Yasuaki 11

Latest patents

Publication Filing date Title
JP2020199851A Load support tool for vehicle
JP2020184904A Doorstop wire coupling tool
JP2020170490A Painting method and business model
JP2020143807A Outer wall structure for freezing/refrigerating warehouse and method for constructing the same
JP2020012266A Waste water channel structure
JP2018150806A Drainage ditch structure
JP2019182060A On-vehicle device
JP2019182059A On-vehicle device
JP2019092399A Feces storage bag
JP2019088736A Memorial box
JP2019030253A Culture support device, culture support method, computer program and recording medium
JP2019024408A Heat retaining film
JP2019022466A Excrement storage bag and pet diaper
JP2018150743A Drainage ditch structure
JP2018057318A Joint structure for duct, and connection method of duct
JP2017066604A Double valve mechanism
JP2016021932A Curtain opening/closing apparatus for greenhouse, and computer program
JP2016013914A Winding core support device
JP2015126710A Plant cultivation apparatus
JP2015126709A Plant cultivation apparatus