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SANWA KENMA KOGYO CO LTD

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    220,183
About

SANWA KENMA KOGYO CO LTD has a total of 45 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets machine tools, micro-structure and nano-technology and consumer goods are FLEX TRIM AS, MARTON MIKSA and OPTICAL GENERICS LTD.

Patent filings in countries

World map showing SANWA KENMA KOGYO CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 39
#2 United States 3
#3 Germany 1
#4 EPO (European Patent Office) 1
#5 Italy 1

Patent filings per year

Chart showing SANWA KENMA KOGYO CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shibai Yoshio 15
#2 Kuroda Kozo 5
#3 Goto Hiroshi 4
#4 Sakuma Ryuichi 3
#5 Sakakibara Toru 3
#6 Amamoto Hirobumi 3
#7 Sunagawa Katsuji 2
#8 Kojima Motokazu 2
#9 Morita Masaya 2
#10 Hayashi Teruoki 2

Latest patents

Publication Filing date Title
JP2020131351A Polishing wheel unit and polishing wheel
JP2020089962A Grindstone whose tip is subjected to three-dimensional processing
JP2014042973A Cleaning utensil and method of producing the same
JP2008149395A Rotary tool
JP2007090517A Rotating tool and coating film removing method
JP2007083333A Auxiliary tool for hand tool
JP2007054933A Rotary tool
JP2005288556A Grinding tool
JP2005279879A Polishing tool for edge
JP2005161488A Fixed material removing method of polishing object material surface and sheet-like grinding wheel
JP2005146036A Precision polishing agent
JP2005046962A Rotating tool and its blade part
JP2004351587A Polishing method and device for polished body in predetermined shape
JP2004230522A Grinding wheel
JP2004209593A Porous elasto-plastic grinding wheel and method of manufacturing the same
JP2003300168A Rotating tool and edge portion thereof
JP2003251568A Grinding wheel
JP2003251560A Compact for dressing and its manufacturing method
JP2003145432A Tool adapter and rotary tool with adapter
JP2003080443A Grinding stone for polishing and polishing tool