Inventor
Masashi Higashida
Inventor
Tokyo, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals27%
C22CAlloys27%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels9%
B62DMotor vehicles9%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof9%
B21BRolling of metal5%
B21JForging5%
F16HGearing5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
PatentTitleYear
10,066,281Age-hardenable steel20189,994,943Rolled steel bar for hot forging, hot-forged section material, and common rail and method for producing the same20189,976,206Rolled round steel material for steering rack bar, and steering rack bar20189,951,403Hot-forged section material and common rail20189,840,759'Rolled round steel material for steering rack bar and steering rack bar'20179,574,255'Rolled steel bar for hot forging'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2018Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (6)· patent assignee history
2017–2018Based in Tokyo, JP· patent location history
2018Patents assigned to DENSO CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL & SUMITOMO METAL CORP | 6 | 2017–2018 |
| DENSO CORP | 3 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2017–2018 |