Inventor

Tsutomu Nozaki

Inventor

Chiba, JP

Overview

19→

Patents

1982–2018

Patent span

Performing operations

Primary field (CPC B)

Patents· 19 as inventor

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

B22Dprimary

B22DCasting of metals25%

C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel13%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids6%

H04LTransmission of digital information, e.g. telegraphic communication6%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%

C04BLime, magnesia3%

F01CRotary-piston or oscillating-piston machines or engines3%

F04BPositive-displacement machines for liquids3%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines3%

F16CShafts3%

PatentTitleYear

9,945,378Scroll compressor2018 9,732,751'Water lubricated screw compressor'2017 7,033,150'Hermetic type compressor'2006 6,822,358'Spindle motor and manufacture thereof'2004 6,327,610'System for broadcasting electronic mails that separately stores and sends a portion of electronic mails with an access code for filtering and retrieving purpose'2001 5,809,031'Apparatus of stuff synchronization frame control'1998 5,061,527'Method and apparatus for spray coating of refractory material to refractory construction'1991 4,949,778'Immersion nozzle for continuous casting'1990 4,817,702'Apparatus for casting endless strip'1989 4,806,163'Mold additives for use in continuous casting'1989 4,759,400'Belt type cast sheet continuous caster and prevention of melt leakage in such a caster'1988 4,735,254'Method and apparatus for casting endless strip'1988 4,673,024'Continuous casting apparatus for the production of cast sheets'1987 4,635,703'Cooling pad for use in a continuous casting apparatus for the production of cast sheets'1987 4,582,114'Continuous casting apparatus for the production of cast sheets'1986 4,417,719'Top-and-bottom blown converter'1983 4,409,024'Top-and-bottom blown converter steel making process'1983 4,402,739'Method of operation of a top-and-bottom blown converter'1983 4,330,108'Method for cooling tuyeres'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1991Patents assigned to KAWASAKI STEEL CO (13)· patent assignee history

1982–1991Based in Chiba, JP· patent location history

1986–2004Patents assigned to HITACHI LTD (5)· patent assignee history

1998–2001Patents assigned to NEC CORP (2)· patent assignee history

1998–2018Based in Tokyo, JP· patent location history

2004–2006Based in Kashiwa, JP· patent location history

2006Patents assigned to HITACHI HOME & LIFE SOLUTIONS (1)· patent assignee history

2017Patents assigned to HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KAWASAKI STEEL CO	13	1982–1991
HITACHI LTD	5	1986–2004
NEC CORP	2	1998–2001
HITACHI HOME & LIFE SOLUTIONS	1	2006
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD	1	2017

Locations

Location	Patents	Span
Chiba, JP	13	1982–1991
Tokyo, JP	4	1998–2018
Kashiwa, JP	2	2004–2006