Inventor
Tsuguhiko Nakagawa
Inventor
Kurashiki, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals24%
F27BFurnaces, kilns, ovens or retorts in general12%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace12%
C22CAlloys9%
C23CCoating metallic material9%
F23LSupplying air or non-combustible liquids or gases to combustion apparatus in general6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B22DCasting of metals3%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air3%
PatentTitleYear
6,238,208'Method and apparatus for cooling furnace'20016,074,493'Method of continuously carburizing metal strip'20006,007,761'Heat treating furnace for a continously supplied metal strip'19995,957,684'Heating method and apparatus'19995,700,420'Non-oxidizing heating method and apparatus'19975,520,534'Heating apparatus including plurality of regenerative burner units and operating method'19965,382,302'Method of producing a high tensile steel sheet having excellent stretch flanging formability'19955,372,654'Steel sheet for press working that exhibits excellent stiffness and satisfactory press workability'19945,332,453'High tensile steel sheet having excellent stretch flanging formability'19945,192,485'Continuous annealing line having carburizing/nitriding furnace'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2001Patents assigned to KAWASAKI STEEL CO (10)· patent assignee history
1993–2001Based in Kurashiki, JP· patent location history
1994–1996Based in Okayama, JP· patent location history
1996Patents assigned to OTTO CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KAWASAKI STEEL CO | 10 | 1993–2001 |
| OTTO CORP | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kurashiki, JP | 6 | 1993–2001 |
| Okayama, JP | 4 | 1994–1996 |