Inventor

Shigeru Urano

Inventor

Saitama, JP

Overview

19→

Patents

1976–1989

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 19 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification18%

C22CAlloys15%

F01LCyclically operating valves for machines or engines13%

F16HGearing12%

B22FWorking metallic powder8%

F02FCylinders, pistons or casings, for combustion engines8%

C21DModifying the physical structure of ferrous metals3%

F01MLubricating of machines or engines in general3%

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

F16JPistons3%

PatentTitleYear

4,863,513'Iron-base anti-wear sintered alloy member'1989 4,790,875'Abrasion resistant sintered alloy'1988 4,761,870'Method for making a camshaft'1988 4,708,029'Camshaft'1987 4,687,185'Tool for supporting a composite camshaft during sintering'1987 4,649,011'Method of making a cam shaft'1987 4,644,912'Cam shaft and method of manufacture'1987 4,595,556'Method for manufacturing camshaft'1986 4,556,532'Method for manufacturing camshaft'1985 4,526,617'Wear resistant ferro-based sintered alloy'1985 4,505,988'Sintered alloy for valve seat'1985 4,472,350'Method of making a compound valve seat'1984 4,467,169'Cylinder liner'1984 4,447,275'Cylinder liner'1984 4,393,821'Cylinder or cylinder liner'1983 4,363,662'Abrasion resistant ferro-based sintered alloy'1982 4,348,232'Abrasion resistant ferro-based sintered alloy'1982 4,123,265'Method of producing ferrous sintered alloy of improved wear resistance'1978 3,930,902'Relative sliding members'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to NIPPON PISTON RING CO LTD (18)· patent assignee history

1976–1978Based in Ohmiya, JP· patent location history

1982–1988Based in Omiya, JP· patent location history

1984–1988Based in Saitama, JP· patent location history

1985Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history

1989Patents assigned to HIRAKAWA OSAMU (1)· patent assignee history

1989Patents assigned to TAKEGUCHI SHUNSUKE (1)· patent assignee history

1989Patents assigned to UMEHA GENKICHI (1)· patent assignee history

1989Based in Saitama-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON PISTON RING CO LTD	18	1976–1988
HIRAKAWA OSAMU	1	1989
HONDA MOTOR CO LTD	1	1985
TAKEGUCHI SHUNSUKE	1	1989
UMEHA GENKICHI	1	1989

Locations

Location	Patents	Span
Saitama, JP	9	1984–1988
Omiya, JP	7	1982–1988
Ohmiya, JP	2	1976–1978
Saitama-shi, JP	1	1989