Learn more

YAMAMOTO MASAKI

Overview
  • Total Patents
    39
About

YAMAMOTO MASAKI has a total of 39 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan and United States. Its main competitors in its focus markets audio-visual technology, environmental technology and measurement are YOKOEKAWA HIKARI, FASEN DONALD J and TEAC CORP.

Patent filings in countries

World map showing YAMAMOTO MASAKIs patent filings in countries
# Country Total Patents
#1 Japan 27
#2 United States 12

Patent filings per year

Chart showing YAMAMOTO MASAKIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamoto Masaki 39
#2 Yamada Hirohisa 6
#3 Harada Yasuhiro 6
#4 Tajima Hideharu 6
#5 Mori Go 5
#6 Murakami Yoshiteru 3
#7 Maeda Shigemi 3
#8 Takamori Nobuyuki 2
#9 Sato Norio 2
#10 Takagi Hiroshi 2

Latest patents

Publication Filing date Title
JP2014117303A Portable footrest
US2011144505A1 Optical device and method for shape and gradient detection and/or measurement and associated device
US2010118672A1 Optical information storage medium, optical information storage medium playback apparatus, method of controlling optical information storage medium playback apparatus, control program of optical information storage medium playback apparatus, and storage medium storing the program therein
US2010014407A1 Optical information recording medium, reproducing device for optical information recording medium, and reproducing method for optical information recording medium
JP2003073812A Laser ablation device
JP2001068297A Debris removing mechanism for soft x-ray using device
JP2000230225A Fixed pneumatic fender for quay
JP2000085883A Extension container to be loaded on vehicle
JPH10211989A Assembled type flexible container
JPH10147395A Sealing film-containing multistage slidable container
JPH10102496A Execution method of slope greening molding form type nursery bed
JPH103258A Simple sliding perpetual quick-reference calendar
JPH101928A Low reaction type pneumatic fender
JPH09322610A Reverse rotary track type agricultural robot
JPH09203406A Screw
JPH08268491A Pack type container bag
JPH09188188A Container vehicle loaded with container bag
JPH09170391A Intermediate stage device of ladder
JPH0913348A Fender for quay for high and low tide buoyancy type
JPH08338541A Bladder valve type valve