Inventor
Kuninori Minakawa
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys33%
G11BInformation storage based on relative movement between record carrier and transducer22%
B24BMachines, devices, or processes for grinding or polishing11%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys11%
B23KSoldering or unsoldering6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
5,679,183'Method for making .alpha.+.beta. titanium alloy'19975,411,614'Method of making Ti-Al-V-Mo alloys'19955,362,441'Ti-Al-V-Mo-O alloys with an iron group element'19945,360,677'Magnetic disk substrate'19945,256,369'Titanium base alloy for excellent formability and method of making thereof and method of superplastic forming thereof'19935,188,677'Method of manufacturing a magnetic disk substrate'19935,159,787'Method for lapping two surfaces of a titanium disk'19925,136,819'Method for mirror polishing of ti-made magnetic disk substrate'19925,131,995'Method of manufacturing titanium magnetic disk substrate'19925,124,121'Titanium base alloy for excellent formability'19925,120,615'Magnetic disk substrate and method of manufacturing the same'19925,060,845'Method for manufacture titanium clad steel plate'19915,035,754'Heat treating method for high strength aluminum alloy'19914,983,357'Heat-resistant TiAl alloy excellent in room-temperature fracture toughness, high-temperature oxidation resistance and high-temperature strength'19914,944,914'Titanium base alloy for superplastic forming'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1997Patents assigned to NIPPON KOKAN KK (14)· patent assignee history
1990–1994Based in Tokyo, JP· patent location history
1991–1995Based in Kawasaki, JP· patent location history
1992Patents assigned to FUKAI HIDEAKI (1)· patent assignee history
1992Patents assigned to MINAKAWA KUNINORI (1)· patent assignee history
1992Patents assigned to SAKIYAMA TOSHIO (1)· patent assignee history
1992Patents assigned to SUENAGA HIROYOSHI (1)· patent assignee history
1997Based in Mitaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON KOKAN KK | 14 | 1990–1997 |
| FUKAI HIDEAKI | 1 | 1992 |
| MINAKAWA KUNINORIself | 1 | 1992 |
| SAKIYAMA TOSHIO | 1 | 1992 |
| SUENAGA HIROYOSHI | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 8 | 1990–1994 |
| Kawasaki, JP | 6 | 1991–1995 |
| Mitaka, JP | 1 | 1997 |