Inventor
Kiyoyuki Hattori
Inventor
Tokyo, 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 metals25%
C22CAlloys13%
F16CShafts13%
F27BFurnaces, kilns, ovens or retorts in general13%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace13%
H04LTransmission of digital information, e.g. telegraphic communication13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003Patents assigned to KOYO SEIKO CO (1)· patent assignee history
2003Based in Nara, JP· patent location history
2004Patents assigned to KOYO THERMO SYS CO LTD (1)· patent assignee history
2004Based in Osaka, JP· patent location history
2016Patents assigned to CANON DENSHI KK (1)· patent assignee history
2016Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON DENSHI KK | 1 | 2016 |
| KOYO SEIKO CO | 1 | 2003 |
| KOYO THERMO SYS CO LTD | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 2016 |
| Osaka, JP | 1 | 2004 |
| Nara, JP | 1 | 2003 |