Inventor
Hirokazu Okada
Inventor
Kobe, JP
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys29%
C21DModifying the physical structure of ferrous metals14%
B23KSoldering or unsoldering7%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys7%
Y10TTechnical subjects covered by former us classification7%
B21BRolling of metal3%
B41MPrinting, duplicating, marking, or copying processes3%
C25DProcesses for the electrolytic or electrophoretic production of coatings3%
F16LPipes3%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application3%
PatentTitleYear
10,519,533High Cr-based austenitic stainless steel201910,378,091Welded joint201910,266,909High-strength austenitic stainless steel for high-pressure hydrogen gas201910,260,125High-strength austenitic stainless steel for high-pressure hydrogen gas201910,233,523Carburization resistant metal material20199,932,655Ni-based alloy20189,728,426'Method for producing resin-encapsulated electronic component, bump-formed plate-like member, resin-encapsulated electronic component, and method for producing bump-formed plate-like member'20179,580,827'Method for producing electronic component, bump-formed plate-like member, electronic component, and method for producing bump-formed plate-like member'20179,328,403'Ni-based heat resistant alloy'20168,863,564'Lubricant composition for hot metal working and method of hot metal working using the same'20148,808,473'Austenitic heat resistant alloy'20148,801,876'Ni-based alloy product and producing method thereof'20148,801,877'Austenitic heat resistant alloy, heat resistant pressure member comprising the alloy, and method for manufacturing the same member'20148,613,817'Method for producing duplex stainless steel seamless pipe'20138,338,331'Sheet for thermal transcription'20128,313,591'Austenitic heat resistant alloy'20128,158,274'Welding material and welded joint structure'20128,137,613'Austenitic stainless steel welded joint and austenitic stainless steel welding material'20128,071,020'High strength Cr-Ni alloy material and seamless pipe for oil well'20118,013,589'Semiconductor device'20117,951,469'Welding material and welded joint structure'20117,785,426'Welded joint of tempered martensite based heat-resistant steel'20107,731,895'Austenitic Fe-Ni-Cr alloy'20106,702,906'Ni-base heat resistant alloy and welded joint thereof'20046,486,817'Digital-analog conversion circuit capable of functioning at a low power supply voltage'20026,458,318'Heat resistant nickel base alloy'20026,362,131'Thermally transferred sheet'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2014Patents assigned to SUMITOMO METAL IND (10)· patent assignee history
2002–2012Based in Saitama, JP· patent location history
2004–2019Based in Kobe, JP· patent location history
2011–2019Patents assigned to OKADA HIROKAZU (12)· patent assignee history
2012–2019Patents assigned to HIRATA HIROYUKI (5)· patent assignee history
2012–2019Patents assigned to SEMBA HIROYUKI (5)· patent assignee history
2013–2019Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (11)· patent assignee history
2013–2019Based in Osaka, JP· patent location history
2017Based in Kyoto, JP· patent location history
2018–2019Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OKADA HIROKAZUself | 12 | 2011–2019 |
| NIPPON STEEL & SUMITOMO METAL CORP | 11 | 2013–2019 |
| SUMITOMO METAL IND | 10 | 2002–2014 |
| HIRATA HIROYUKI | 5 | 2012–2019 |
| SEMBA HIROYUKI | 5 | 2012–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kobe, JP | 13 | 2004–2019 |
| Tokyo, JP | 3 | 2018–2019 |
| Osaka, JP | 3 | 2013–2019 |
| Kyoto, JP | 2 | 2017 |
| Saitama, JP | 2 | 2002–2012 |