Learn more

WORLD DEV LAB

Overview
  • Total Patents
    15
About

WORLD DEV LAB has a total of 15 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan, Australia and Brazil. Its main competitors in its focus markets chemical engineering, environmental technology and audio-visual technology are ONSTREAM HOLDING B V, CHENG YUAN ENVIRONMENT TECHNOLOGY CO LTD and TECHARMONIC INC.

Patent filings in countries

World map showing WORLD DEV LABs patent filings in countries

Patent filings per year

Chart showing WORLD DEV LABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Toomasu Rii Shibueki 3
#2 Siwecki Thomas L 3
#3 Schaefer Louis F 2
#4 Andeen Gerry Burke 2
#5 Geerii Baaku Andeiin 2
#6 Frohbach H F 2
#7 Peppers Norman A 2
#8 Frohbach Hugh F 2
#9 Siwecki Thomas Lee 2
#10 Ruisu Efu Shiefuaa 1

Latest patents

Publication Filing date Title
AU3891278A Centrifugal reverse osmosis apparatus and method
US4310847A Color television film scanning system using uniform motion and line arrays
JPS5440517A Color tv encoder and decoder
AU3423278A Optical recording system and method