Inventor
Kishio Arita
Inventor
Kunitachi, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys19%
C23CCoating metallic material13%
H01HElectric switches13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
B22FWorking metallic powder6%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G01SRadio direction-finding6%
G01VGeophysics6%
H01BCables6%
PatentTitleYear
4,973,393'Surface-treated magnesium or magnesium-alloy and process for surface treatment of magnesium or magnesium alloy'19904,896,116'Pulse radar method and apparatus for detecting an object'19904,770,946'Surface-treated magnesium or magnesium alloy, and surface treatment process therefor'19884,571,999'Ultrasonic inspecting apparatus'19864,439,247'Method for manufacture of high-strength high-electroconductivity copper alloy'19844,337,089'Copper-nickel-tin alloys for lead conductor materials for integrated circuits and a method for producing the same'19824,330,331'Electric contact material and method of producing the same'19824,279,649'Electrical contact material'19813,982,906'Production of aluminum-aluminum oxide dispersion composite conductive material and product thereof'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1990Patents assigned to NIPPON TELEGRAPH & TELEPHONE (9)· patent assignee history
1976Based in Tokai, JP· patent location history
1981–1982Based in Mito, JP· patent location history
1984Patents assigned to NIPPON TELECOMM ENG (1)· patent assignee history
1984Patents assigned to SUMITOMO METAL MINING CO (1)· patent assignee history
1984Based in Musashino, JP· patent location history
1986Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
1986Based in Tokyo, JP· patent location history
1988–1990Based in Kunitachi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 9 | 1976–1990 |
| MITSUBISHI ELECTRIC CORP | 1 | 1986 |
| NIPPON TELECOMM ENG | 1 | 1984 |
| SUMITOMO METAL MINING CO | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kunitachi, JP | 3 | 1988–1990 |
| Mito, JP | 3 | 1981–1982 |
| Tokyo, JP | 1 | 1986 |
| Musashino, JP | 1 | 1984 |
| Tokai, JP | 1 | 1976 |