Inventor

Susumu Okawa

Inventor

Yokohama, JP

Overview

1978–2013

Patent span

Performing operations

Primary field (CPC B)

Patents· 33 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B21Bprimary

B21BRolling of metal19%

B23KSoldering or unsoldering14%

F16HGearing13%

F16GBelts, cables, or ropes, predominantly used for driving purposes11%

Y10TTechnical subjects covered by former us classification9%

B60WConjoint control of vehicle sub-units of different type or different function7%

B23BTurning4%

B23CMilling4%

B23DPlaning4%

B24BMachines, devices, or processes for grinding or polishing3%

PatentTitleYear

8,395,073'Continuous rolling method and continuous rolling apparatus'2013 7,991,532'Wheel control device and control device'2011 6,648,564'Burr removing method and apparatus'2003 6,402,441'Burr removing method and apparatus'2002 6,386,420'Apparatus for continuously rolling steel billets'2002 6,296,428'Burr removing method and apparatus'2001 6,273,324'Apparatus for continuous rolling by welding the rolled materials at an intermediate stage of a rolling line'2001 6,262,385'Flash butt welding device'2001 6,116,496'Method and apparatus for continuous rolling by reheating locally cold portions produced by clamping during flash-butt welding'2000 6,107,594'Flash butt welding device'2000 6,089,441'Method and apparatus for continuous rolling by welding the rolled materials at an intermediate stage of a rolling line'2000 6,041,993'Method and apparatus of continuous rolling using multiple synchronously moving welders for tanden welding'2000 5,957,367'Continuous rolling method of billet and apparatus therefor'1999 5,829,117'Hot saw cutting type continuous rolling method and apparatus thereof'1998 5,719,368'Apparatus for joining billets in continuous rolling mill'1998 5,709,585'Method and apparatus for removing burrs from joined billets in a continuous rolling process'1998 4,967,621'Hydraulic control device for belt-and-pulley type continuously variable transmission for a vehicle'1990 4,898,567'Pulleys for belt-and-pulley type continuously variable transmission'1990 4,867,732'Control device for belt-and-pulley type continuously variable transmission for a vehicle'1989 4,857,034'Hydraulic control system for continuously variable transmission for automotive vehicle'1989 4,778,435'Hydraulic control system for continuously variable transmission for automotive vehicle'1988 4,772,249'Hydraulic control system for continuously variable transmission for automotive vehicle'1988 4,767,388'Chain belt'1988 4,660,438'Continuously variable transmission'1987 4,655,734'Endless belt for power transmission'1987 4,645,477'V-belt assembly for transmitting power'1987 4,618,337'V-belt assembly for transmitting power'1986 4,596,536'Continuously variable belt transmission device with pulleys axially offset in the unity transmission ratio position'1986 4,595,386'V-belt assembly for transmitting power'1986 4,579,549'Continuously variable transmission means'1986 4,551,119'Hydraulic apparatus for a continuously variable transmission'1985 4,525,160'Endless belt member for a continuously variable transmission'1985 4,098,236'Device for supplying fuel to an internal combustion engine'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1990Patents assigned to TOYOTA MOTOR CO LTD (17)· patent assignee history

1978–1990Based in Aichi, JP· patent location history

1985–1987Based in Numazu, JP· patent location history

1998–2003Patents assigned to NIPPON KOKAN KK (14)· patent assignee history

1998–2003Based in Yokohama, JP· patent location history

1998–2011Based in Tokyo, JP· patent location history

2003–2013Patents assigned to JP STEEL PLANTECH CO (2)· patent assignee history

2011Patents assigned to EQUOS RES CO LTD (1)· patent assignee history

2013Patents assigned to OKAWA SUSUMU (1)· patent assignee history

2013Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYOTA MOTOR CO LTD	17	1978–1990
NIPPON KOKAN KK	14	1998–2003
JP STEEL PLANTECH CO	2	2003–2013
EQUOS RES CO LTD	1	2011
OKAWA SUSUMUself	1	2013

Locations

Location	Patents	Span
Yokohama, JP	13	1998–2003
Aichi, JP	8	1978–1990
Numazu, JP	8	1985–1987
Tokyo, JP	2	1998–2011
Kanagawa, JP	1	2013