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NAKA TECH LAB

Overview
  • Total Patents
    650
About

NAKA TECH LAB has a total of 650 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, machines and furniture and games are KUO CHINGYAO, LOIX GILBERT and ARCIA SA.

Patent filings per year

Chart showing NAKA TECH LABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Naka Hiromitsu 361
#2 Okujima Takehiko 80
#3 Ichikawa Chihiro 60
#4 Shoji Tatsuo 51
#5 Okumura Takao 46
#6 Sugimoto Yoshihide 42
#7 Kawaguchi Toshitaka 38
#8 Hikawa Tetsuo 33
#9 Naka Hiromasa 26
#10 Sayama Shigeru 26

Latest patents

Publication Filing date Title
JPH09302881A Device for connecting and mounting handrail rod
JPH09273283A Connection type handrail
JPH09252926A Groove-shaped housing device on ceiling surface
JPH09243163A Fan coil storing device at perimeter section
JPH09242320A Closet cabinet device
JPH09209535A Movable handrail
JPH09203181A Handrail
JPH0988310A Floor panel opening part packing plate
JPH0854144A Line diffuser mounting device in ceiling facility panel
JPH0842053A Ceiling panel mounting device
JPH0842050A Ceiling horizontal material-tying device and tie fitting
JPH0842051A Parting device of ceiling and wall surface
JPH0842052A Ceiling panel-mounting device and fitting
JPH0842054A Ceiling facility panel fixing device
JPH0828125A Indicating lock device and door structure for booth
JPH07331776A Installation structure of partition panel
JPH07317263A Structure for connecting handrail member
JPH07317285A Closing device for void section of double floor
JPH07292921A Handrail screen panel structure
JPH07208802A Ceiling provided with air flowing ports