Inventor
Takashi Tokuyama
Inventor
Higashikurume, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1030%
H10DInorganic electric semiconductor devices15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
B60CVehicle tyres4%
C21DModifying the physical structure of ferrous metals4%
C23FNon-mechanical removal of metallic material from surface4%
C25DProcesses for the electrolytic or electrophoretic production of coatings4%
C30BSingle-crystal growth4%
D02GCrimping or curling fibres, filaments, threads, or yarns4%
PatentTitleYear
10,914,015Steel cord and method for producing the same20214,609,407'Method of making three dimensional semiconductor devices in selectively laser regrown polysilicon or amorphous silicon layers'19864,570,175'Three-dimensional semiconductor device with thin film monocrystalline member contacting substrate at a plurality of locations'19864,565,584'Method of producing single crystal film utilizing a two-step heat treatment'19864,533,831'Non-mass-analyzed ion implantation'19854,498,951'Method of manufacturing single-crystal film'19854,394,191'Stacked polycrystalline silicon film of high and low conductivity layers'19834,351,674'Method of producing a semiconductor device'19823,967,310'Semiconductor device having controlled surface charges by passivation films formed thereon'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1986Patents assigned to HITACHI LTD (8)· patent assignee history
1976Based in Hoya, JP· patent location history
1982–1986Based in Higashikurume, JP· patent location history
2021Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
2021Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (1)· patent assignee history
2021Patents assigned to SUMITOMO ELECTRIC TOCHIGI CO LTD (1)· patent assignee history
2021Patents assigned to SUMITOMO RUBBER IND (1)· patent assignee history
2021Based in Utsunomiya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 1976–1986 |
| NIPPON STEEL CORP | 1 | 2021 |
| SUMITOMO ELECTRIC INDUSTRIES | 1 | 2021 |
| SUMITOMO ELECTRIC TOCHIGI CO LTD | 1 | 2021 |
| SUMITOMO RUBBER IND | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Higashikurume, JP | 7 | 1982–1986 |
| Utsunomiya, JP | 1 | 2021 |
| Hoya, JP | 1 | 1976 |