Masatsune Okuma
Inventor
Stats
- 2 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 2 US Applications Filed
- 59 Total Citation Count
- Aug 26, 1991 Most Recent Filing
- Feb 18, 1987 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| Katayama Kogyo Co., Ltd. | 1
| 1987
|
| Katayama Chemical, Inc. | 1
| 1991
|
Inventor Addresses
| Address | Duration |
|---|---|
| Kyoto, JP | Mar 21, 89 - Nov 09, 93 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| C02F: | TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE | 1 |
| C08F: | MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5259985 | 1993 | Calcium carbonate scale inhibitor having organophosphonate, water soluble acrylic or maleic copolymer and citric acid | 50 |
| 4814406 | 1989 | Scale inhibitor | 2 |
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