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A & D CO LTD

Overview
  • Total Patents
    539
  • GoodIP Patent Rank
    18,541
  • Filing trend
    ⇩ 30.0%
About

A & D CO LTD has a total of 539 patent applications. It decreased the IP activity by 30.0%. Its first patent ever was published in 1987. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets measurement, medical technology and chemical engineering are A&D CO LTD, PFISTER WAAGEN GMBH and CHATILLON & SONS JOHN.

Patent filings per year

Chart showing A & D CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Izumo Naoto 123
#2 Fukami Yuji 32
#3 Ishizuka Shigehiro 30
#4 Ito Yukihisa 27
#5 Shibazaki Masae 26
#6 Suzaki Satoshi 24
#7 Nagane Yoshikazu 23
#8 Ota Akira 19
#9 Sugita Mitsuharu 19
#10 Ichige Tatsuo 19

Latest patents

Publication Filing date Title
JP2021000210A Manometer
JP2020204469A Portable environmental measurement device
JP2020204467A Portable environmental measurement device
JP2020204468A Portable environmental measurement device
JP2020201066A Quantitative dispensing system
JP2020188922A Automatic blood pressure measuring apparatus
JP2020173093A Rotation analysis device
JP2020153755A Metal detection machine
JP2020134244A Characteristic information acquisition system and characteristic information acquisition method for laminar flow type flowmeter
JP2020134243A Flow rate measuring system
JP2020112359A Platform scale with slope
JP2020112358A Weight scale movable in two directions, stand capable of containing and conveying weight scale, and weight scale having stand
JP2020112360A Weight scale, stand capable of containing and conveying weight scale, and weight scale having stand
JP2020076682A Metal detection machine
JP2020046382A Tire testing device
JP2020046383A Tire testing device
JP2020034325A Pressure sensor
JP2020005935A Air supplying ball for sphygmomanometer
JP2020008367A Electronic balance
JP2019215248A Rubber testing machine