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KOYO KIZAI KK

Overview
  • Total Patents
    67
About

KOYO KIZAI KK has a total of 67 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan. Its main competitors in its focus markets mechanical elements, digital networks and environmental technology are HIGASHI NIPPON POWER FASTENING, MURBACH JULIUS and YOU YIHUA.

Patent filings in countries

World map showing KOYO KIZAI KKs patent filings in countries
# Country Total Patents
#1 Japan 67

Patent filings per year

Chart showing KOYO KIZAI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ito Katsuo 66
#2 Nakamura Kazuya 18
#3 Nakanishi Katsushi 2
#4 Kono Shigeharu 2
#5 Shinjo Katsumi 1
#6 Kasai Kazuo 1

Latest patents

Publication Filing date Title
JP2009024477A Anchor bolt and manufacturing method of anchor bolt
JP2009063144A Self-drilling screw, self-drilling anchor, and method of manufacturing self-drilling anchor
JP2009063070A Split nut
JP2008256093A Tapping screw for concrete product
JP2007107716A Locking nut
JP2007327579A Removal prevention tool
JP2007315524A Lock nut
JP2007229903A Socket wrench for locknut and locknut fastening method
JP2007177888A Rotary detachable fastener
JP2007177886A Expansion type fastener
JP2007154994A Slide type attach/detach combination nut
JP2006226295A Blind bolt and blind nut
JP2004332848A Blind bolt
JP2004162466A Handle fixing structure
JP2003343536A Removal prevention device and locking device
JP2003130021A Expandable anchor and its manufacturing method
JP2003056540A Loosening-preventing nut and bolt for wood, and bolt/nut
JP2003004018A Locking nut
JP2002295439A Assembly part
JP2002054619A Anchor for board