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NITTAN VALVE

Overview
  • Total Patents
    64
About

NITTAN VALVE has a total of 64 patent applications. Its first patent ever was published in 1981. It filed its patents most often in Japan. Its main competitors in its focus markets engines, pumps and turbines, machines and machine tools are FUJI VALVE, ENGEMANN HERBERT H and JP SCOPE LLC.

Patent filings in countries

World map showing NITTAN VALVEs patent filings in countries
# Country Total Patents
#1 Japan 64

Patent filings per year

Chart showing NITTAN VALVEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Watanabe Akira 13
#2 Hosaka Akihiko 12
#3 Himura Masahito 7
#4 Okawachi Kiyoshi 6
#5 Fujisawa Hideaki 4
#6 Kikuchi Koji 3
#7 Kikukawa Harufusa 3
#8 Suzuki Hiroshi 3
#9 Takahashi Shigetada 3
#10 Aino Hiroshi 3

Latest patents

Publication Filing date Title
JPH10339123A Variable valve controller
JPH10153104A Variable valve timing device
JPH10153105A Variable valve timing device
JPH09296711A Engine valve integrally having spark plug function and valve system
JPH09177513A Valve lifter for internal combustion engine
JPH09177512A Valve lifter for internal combustion engine
JPH0968016A Hydraulic intake-exhaust valve driving device with damper
JPH0938747A Manufacture of bevel gear
JPH08270420A Variable valve system mechanism controller
JPH0893419A Hydraulic rush adjuster
JPH0893420A Bucket structure of hydraulic rush adjuster
JPH0893421A Hydraulic rush adjuster
JPH0861028A Manufacture of valve for internal combustion engine
JPH0828213A Valve lifter for internal combustion engine
JPH0821214A Cam shaft phase variable device
JPH07332034A Valve lifter for internal combustion engine
JPH07293212A Exhaust valve cooler
JPH0726917A Valve timing control device for engine
JPH07279632A Cam shaft phase changing device of internal combustion engine
JPH07279631A Variable valve system of internal combustion engine