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KAYAMA NAOYOSHI

Overview
  • Total Patents
    12
About

KAYAMA NAOYOSHI has a total of 12 patent applications. Its first patent ever was published in 1994. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are RESPUB KOOPERATIVNO G PROEKTNO, CHUNLEI XU and NISHI NIPPON GIJUTSU KAIHATSU.

Patent filings in countries

World map showing KAYAMA NAOYOSHIs patent filings in countries
# Country Total Patents
#1 Japan 12

Patent filings per year

Chart showing KAYAMA NAOYOSHIs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kayama Naoyoshi 12
#2 Kudo Tadayuki 1
#3 Hirata Yasuhiro 1
#4 Joko Tatsuya 1

Latest patents

Publication Filing date Title
JP2004076376A Multi-stage extensible floor post device
JP2003064924A Locking method and locking device
JP2003042651A Vacuum panel
JP2003026491A Method of manufacturing odorless organic fertilizer
JP2002018414A Circulation system for recovering organic waste as resource
JP2001289231A Washer with elastic block
JP2001200265A Process for preparing flame-retardant carbide and its application
JP2001124044A Locking washer
JP2000308864A Solid material obtained using carbonized scrap wood
JP2000080739A Formed product mixed with carbide
JPH10113615A Solids sorting device
JPH07267701A Artificial gravel, ready mixed concrete or mortar