Inventor
Toshio Nanjyo
Inventor
Yokohama, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F27Dprimary
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace33%
H05BElectric heating33%
F27BFurnaces, kilns, ovens or retorts in general17%
G02BOptical elements, systems or apparatus17%
PatentTitleYear
11,106,031Light deflector, optical scanning device, image projection device, and mobile object20214,122,295'Furnace wall structure capable of tolerating high heat load for use in electric arc furnace'19784,021,603'Roof for arc furnace'19773,952,138'Power control system for electric arc or refining furnace electrically directly coupled to independent power generating unit or units'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1978Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (3)· patent assignee history
1976–1978Based in Yokohama, JP· patent location history
2021Patents assigned to RICOH CO LTD (1)· patent assignee history
2021Based in Hyogo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ISHIKAWAJIMA HARIMA HEAVY IND | 3 | 1976–1978 |
| RICOH CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 3 | 1976–1978 |
| Hyogo, JP | 1 | 2021 |