Takuo Fukushima
Inventor
Stats
- 6 US patents issued
- 6 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 6 US Patents Issued
- 6 US Applications Filed
- 54 Total Citation Count
- Sep 13, 1993 Most Recent Filing
- Jan 29, 1986 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| ASAHI DENKA KOGYO KABUSHIKI KAISHA | 1
1 2 1 1 | 1986
1988 1989 1991 1993 |
| Denka Kogyo Kabushiki Kaisha | 1
| 1989
|
Inventor Addresses
| Address | Duration |
|---|---|
| Tokyo, JP | Sep 03, 91 - Mar 14, 95 |
| Yachiyo, JP | Mar 28, 89 - Mar 06, 90 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| C08K: | USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS | 1 |
| E04C: | STRUCTURAL ELEMENTS; BUILDING MATERIALS | 1 |
| E04G: | SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS | 3 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5396749 | 1995 | Method of cutting off water flow by grouting | 6 |
| 5193960 | 1993 | Washer with elastic water-swellable rubber | 14 |
| 5044835 | 1991 | Expansion joint for use in constructing concrete structures | 5 |
| 4905429 | 1990 | Device for filling up of recess left in concrete wall after removal | 5 |
| 4889312 | 1989 | Waterstop for concrete form separator | 0 |
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