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TSUYAMA MFG CO LTD

Overview
  • Total Patents
    112
About

TSUYAMA MFG CO LTD has a total of 112 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets transport, electrical machinery and energy and measurement are ALBERT VICTOR TERRY, ECON ENGINEERING LTD and TIANJIN RUI YANG SPORTS EQUIPMENT CO LTD.

Patent filings per year

Chart showing TSUYAMA MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tsuyama Sadaharu 53
#2 Tsuyama Yoshimasa 8
#3 Kagayama Joe 8
#4 Tsuyama Sadatoshi 5
#5 Shiba Kenzo 5
#6 Kagayama Yuzuru 5
#7 Tsuyama S 4
#8 Matsumoto Masaaki 4
#9 Kagayama J 3
#10 Ueda Takashi 2

Latest patents

Publication Filing date Title
CA1309739C Cycle trainer having a load applying device
DE3826723A1 PULSE MEASURING DEVICE
EP0225012A1 Supporting device
JPS6338039A Data display device for bicycle
JPS62187686A Pedal and belt for pedal
JPS62120283A Light for bicycle
US4775145A Load applying means for an exercise device
JPS61290968A Pedal motion type exerciser
JPS61238260A Exerciser
JPS61187836A Pulse meter
EP0151391A2 Data display unit for a bicycle
EP0151383A2 Data display unit for a bicycle
EP0151382A2 Data display unit for a bicycle
GB8432732D0 Lighting fixture for bicycles and the like
EP0174394A2 Reflex reflector
GB8428548D0 Illuminating device for use with a bicycle
GB8422599D0 Annular reflector on lamp lenses
DE3428256A1 CARRYING DEVICE FOR THE LAMP OF A BICYCLE
GB8327438D0 Headlamp suitable for bicycles, etc
DE3336241A1 FASTENING ARRANGEMENT FOR A LIGHTING DEVICE FOR BICYCLES OR THE LIKE