Hideaki Ohba
Inventor
Stats
- 1 total patents issued
- 1 total patents filed
- most recent filing
This is official USPTO record data
Details
- 1 Issued Patents
- 1 Filed Patents
- 23 Total Citation Count
- Jun 14, 1989 Most Recent Filing
- Jun 14, 1989 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| RICOH COMPANY, LTD. | 1 | 1989 |
Inventor Addresses
| Address | Duration |
|---|---|
| Yokohama, JP | Mar 26, 91 - Mar 26, 91 |
Technology Profile
| Technology | # of Patents | |
|---|---|---|
| B32B: | LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5,002,812 | 1991 | Optical information recording medium, information recording method and optical information recording system using the medium | 23 |

