Inventor

Ryoichi Yoshihara

Inventor

Himeji, JP

Overview

8→

Patents

1984–2004

Patent span

Chemistry

Primary field (CPC C)

Patents· 8 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification23%

C25DProcesses for the electrolytic or electrophoretic production of coatings15%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material8%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers8%

C09DCoating compositions, e.g. paints, varnishes or lacquers8%

B23KSoldering or unsoldering4%

C08LCompositions of macromolecular compounds4%

C09KMaterials for miscellaneous applications, not provided for elsewhere4%

C21DModifying the physical structure of ferrous metals4%

PatentTitleYear

6,818,322'Surface treated steel sheet with less environmental impact for electronic components, excellent in solder wettability, a rust-proof property and a whisker-proof property'2004 6,417,252'Aqueous resin composition for use as a sealer'2002 5,964,113'Method for manufacturing a resin-coated steel sheet for drawn-and-ironed cans'1999 5,871,851'Magnetic shielding material for television cathode-ray tube and process for producing the same'1999 5,714,273'Resin-coated steel sheet for drawn-and-ironed cans and drawn-and-ironed cans manufactured therefrom'1998 5,344,550'Process for producing surface-treated steel sheet superior in weldability and paint-adhesion'1994 5,248,405'Process for producing surface-treated steel sheet superior in weldability and paint-adhesion'1993 4,477,316'Long-life insoluble electrode and process for preparing the same'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2004Patents assigned to NIPPON STEEL CORP (7)· patent assignee history

1984Based in Kitakyushu, JP· patent location history

1993–2004Based in Himeji, JP· patent location history

1998Patents assigned to MITSUI PETROCHEMICAL IND (1)· patent assignee history

1999Patents assigned to MITSUI CHEMICALS INC (1)· patent assignee history

2002Patents assigned to FUGILIGHT IND CO LTD (1)· patent assignee history

2002Patents assigned to HIRAOKA TERUYOSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON STEEL CORP	7	1984–2004
FUGILIGHT IND CO LTD	1	2002
HIRAOKA TERUYOSHI	1	2002
MITSUI CHEMICALS INC	1	1999
MITSUI PETROCHEMICAL IND	1	1998

Locations

Location	Patents	Span
Himeji, JP	7	1993–2004
Kitakyushu, JP	1	1984