Inventor
Masahiro Tamamaki
Inventor
Osaka, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia40%
C09KMaterials for miscellaneous applications, not provided for elsewhere40%
B01DSeparation10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
5,431,704'Ceramic abrasive grains, method of producing the same and abrasive products made of the same'19955,248,318'Lapping abrasive of alumina-zirconia system and method for producing the same'19935,190,567'Sintered aluminous abrasive grains and method of producing the same'19935,177,040'Fused zirconia refractory materials having high-temperature heat resistance and corrosion resistance and a method for producing the same'19934,671,917'Method and apparatus for cooling molten oxides'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1995Patents assigned to JAPAN ABRASIVE (5)· patent assignee history
1987Based in Sakai, JP· patent location history
1993–1995Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JAPAN ABRASIVE | 5 | 1987–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 4 | 1993–1995 |
| Sakai, JP | 1 | 1987 |