Inventor
Taizo Makino
Inventor
Tokyo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals33%
C22CAlloys29%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels8%
B60BVehicle wheels8%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof8%
B21JForging4%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
PatentTitleYear
10,392,683Rail vehicle axle201910,066,281Age-hardenable steel20189,994,943Rolled steel bar for hot forging, hot-forged section material, and common rail and method for producing the same20189,951,403Hot-forged section material and common rail20189,574,255'Rolled steel bar for hot forging'20176,663,727'Steel alloy railway wheels'20036,372,057'Steel alloy railway wheels'20026,357,297'Method for preventing shattered-rim fracture in railway wheels'20025,899,516'Railway wheel and manufacturing method of the railway wheel'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2003Patents assigned to SUMITOMO METAL IND (4)· patent assignee history
1999–2003Based in Nishinomiya, JP· patent location history
2017–2019Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (5)· patent assignee history
2017–2018Based in Tokyo, JP· patent location history
2018Patents assigned to DENSO CORP (3)· patent assignee history
2019Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
2019Based in Kobe, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL & SUMITOMO METAL CORP | 5 | 2017–2019 |
| SUMITOMO METAL IND | 4 | 1999–2003 |
| DENSO CORP | 3 | 2018 |
| NIPPON STEEL CORP | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2017–2018 |
| Nishinomiya, JP | 4 | 1999–2003 |
| Kobe, JP | 1 | 2019 |