Inventor
Tomio Oyachi
Inventor
Tokorozawa, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification15%
B01DSeparation8%
B29CShaping or joining of plastics8%
B29DProducing particular articles from plastics or from substances in a plastic state8%
B29LIndexing scheme associated with subclass b29c, relating to particular articles8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C04BLime, magnesia8%
C22BProduction and refining of metals8%
H01QAntennas, i.e. radio aerials8%
H05KPrinted circuits8%
PatentTitleYear
4,765,833'Porous ceramic structure and method of filtering aluminum'19884,752,525'Wave absorber and method for making same'19884,613,403'Method for treating golf ball surface with glow discharge plasma and apparatus therefor'19864,576,859'Radio wave shielding materials and a method of producing the same'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1988Patents assigned to BRIDGESTONE CORP (4)· patent assignee history
1986–1988Based in Tokorozawa, JP· patent location history
1986Based in Akikawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRIDGESTONE CORP | 4 | 1986–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokorozawa, JP | 3 | 1986–1988 |
| Akikawa, JP | 1 | 1986 |