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NAC INC

Overview
  • Total Patents
    14
About

NAC INC has a total of 14 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, EPO (European Patent Office) and United Kingdom. Its main competitors in its focus markets audio-visual technology, computer technology and control are BEIJING HONGHENG TECH CO LTD, PROXIMEX CORP and CVTECH INC.

Patent filings per year

Chart showing NAC INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Noda Tsuneta 2
#2 Tamura Shigeru 2
#3 Riches Mark 2
#4 Oguma Kazuhiko 2
#5 Saito Yutaka 2
#6 Suzuki Hiroshi 2
#7 Tanaka Ryozo 1
#8 Tamura S 1
#9 Riches Mark John 1
#10 Takahashi M 1

Latest patents

Publication Filing date Title
GB9609660D0 Charge-transfer device for imaging
US5157499A High-speed video camera using solid-state image sensor
EP0267608A2 Full automatic document selection and sealing device
EP0268212A2 Method for automatically sorting and aligning paper edges in a collator
US3836710A Pattern discrimination system using television