Inventor
Noboru Umehara
Inventor
Hitachi, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering29%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material14%
G01BMeasuring length, thickness or similar linear dimensions14%
H01FMagnets14%
H01JElectric discharge tubes or discharge lamps14%
H02KDynamo-electric machines14%
PatentTitleYear
5,302,795'Welding equipment for fabricating a combustion liner'19945,170,028'Process and apparatus, for electron beam welding of a member partially enclosed in vacuum chamber, and the member formed thereby'19924,473,750'Three-dimensional shape measuring device'19844,077,244'Method of and apparatus for continuously winding a rectangular wire'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1994Patents assigned to HITACHI LTD (4)· patent assignee history
1978–1994Based in Hitachi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 4 | 1978–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 4 | 1978–1994 |