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TOKIWA CHEM IND LTD

Overview
  • Total Patents
    244
  • GoodIP Patent Rank
    103,219
  • Filing trend
    ⇩ 100.0%
About

TOKIWA CHEM IND LTD has a total of 244 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1977. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets machines, transport and biotechnology are TOKAI KOGYO CO LTD, KINUGAWA RUBBER IND and HENNIGES ELASTOMER KUNSTSTOFF.

Patent filings in countries

World map showing TOKIWA CHEM IND LTDs patent filings in countries

Patent filings per year

Chart showing TOKIWA CHEM IND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kato Katsuhisa 163
#2 Miyagawa Naohisa 118
#3 Miyakawa Naohisa 42
#4 Hirokawa Takashi 28
#5 Masuzawa Minoru 17
#6 Seto Shosuke 14
#7 Nakamura Yukio 10
#8 Murakami Kazuo 9
#9 Ishida Yuichi 9
#10 Suzuki Fumiaki 9

Latest patents

Publication Filing date Title
JP2020142422A Manufacturing method of extrusion molded product
JP2018094908A Manufacturing method of extrusion molded article for automobile
JP2017132397A Extruded molded article having core material
JP2017001642A Weather strip and manufacturing method thereof
JP2016155488A Production method of synthetic resin core material
JP2016155323A Manufacturing method of extrusion molded article having core material
JP2015221553A Production method of extrusion molding having synthetic resin-made core material
JP2015182461A Extrusion molded article having core material
JP2014162228A Automobile glass run manufacturing method
JP2014113997A Extrusion molding having core material
JP2014084087A Extrusion molding product having core material
CN102189918A Extrusion molded product having a core material
FR2948599A1 Extrusion-molded product having core material
JP2010030571A Extrusion molded product with core material for automobile
JP2010025887A Simple and easy measurement method
JP2010001002A Extrusion molded article having core material
JP2009234556A Extrusion molded article having core material
JP2008254715A Weatherstrip for automobile
JP2008207532A Manufacturing method of extrusion-molding for automobile
JP2008143494A Extrusion molded article of plastic core material