Inventor
Kazuyuki Nakasuji
Inventor
Nishinomiya, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Bprimary
B21BRolling of metal17%
Y10TTechnical subjects covered by former us classification17%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling13%
C10MLubricating compositions7%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions7%
C23CCoating metallic material7%
E21BEarth or rock drilling7%
F16LPipes7%
B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls3%
C22CAlloys3%
PatentTitleYear
6,679,526'Threaded joint for an oil well pipe'20046,659,509'Threaded joint for steel pipes'20035,970,611'Method for processing a rotor used for a super charger'19995,733,667'Plated nickel-titanium alloy product'19985,673,584'Method of and an apparatus for producing wire'19975,533,370'Tube rolling method and apparatus'19965,501,834'Nonmagnetic ferrous alloy with excellent corrosion resistance and workability'19965,007,577'Multiple-core complex material and method of manufacturing the same'19915,004,143'Method of manufacturing clad bar'19914,959,985'Method of manufacturing metallic tube with spiral fin'19904,901,553'Method of manufacturing a finned tube'19904,512,177'Method of manufacturing metallic materials having a circular cross section'19854,510,787'Method of manufacturing hollow rods'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2004Patents assigned to SUMITOMO METAL IND (12)· patent assignee history
1985–1991Based in Amagasaki, JP· patent location history
1991–1999Based in Osaka, JP· patent location history
1996–1998Patents assigned to SANYO SPECIAL ALLOYS LTD (2)· patent assignee history
1996–2003Based in Nishinomiya, JP· patent location history
1997Patents assigned to SUMITOMO HEAVY INDUSTRIES (1)· patent assignee history
1998Patents assigned to KANTO SPECIAL STEEL WORKS LTD (1)· patent assignee history
1999Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (1)· patent assignee history
2004Based in Hyogo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO METAL IND | 12 | 1985–2004 |
| SANYO SPECIAL ALLOYS LTD | 2 | 1996–1998 |
| ISHIKAWAJIMA HARIMA HEAVY IND | 1 | 1999 |
| KANTO SPECIAL STEEL WORKS LTD | 1 | 1998 |
| SUMITOMO HEAVY INDUSTRIES | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nishinomiya, JP | 5 | 1996–2003 |
| Amagasaki, JP | 5 | 1985–1991 |
| Osaka, JP | 2 | 1991–1999 |
| Hyogo, JP | 1 | 2004 |