Inventor
Kei Masumoto
Inventor
Kobe, JP
Overview
Patents· 3 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%
C22CAlloys33%
B21BRolling of metal11%
C23CCoating metallic material11%
H01FMagnets11%
PatentTitleYear
10,593,451Steel material having excellent corrosion resistance and excellent magnetic properties and production method therefor202010,570,478Steel for mechanical structure for cold working, and method for producing same20208,900,381'Spring steel and spring superior in fatigue properties'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2020Patents assigned to KOBE STEEL LTD (3)· patent assignee history
2014Patents assigned to MASUMOTO KEI (1)· patent assignee history
2014Patents assigned to SAKAMOTO KOICHI (1)· patent assignee history
2014Patents assigned to SUGIMURA TOMOKO (1)· patent assignee history
2014Patents assigned to YOSHIDA ATSUHIKO (1)· patent assignee history
2014–2020Based in Kobe, JP· patent location history
2020Based in Hyogo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOBE STEEL LTD | 3 | 2014–2020 |
| MASUMOTO KEIself | 1 | 2014 |
| SAKAMOTO KOICHI | 1 | 2014 |
| SUGIMURA TOMOKO | 1 | 2014 |
| YOSHIDA ATSUHIKO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kobe, JP | 2 | 2014–2020 |
| Hyogo, JP | 1 | 2020 |