G01D 15/34
Recording surfaces
G01D15/34 (Recording surfaces) appears on 38 US grants and 1 published applications in this corpus.
Search patents in G01D- Granted patents
- 38
- Published applications
- 1
- Assignees
- 24
- Inventors
- 61
- Latest grant
- 21 May 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of producing a customized chart21 May 2002US 6,390,508 B2
- Recording sheets3 Jan 1995US 5,378,534 ASansui Co., Ltd.
- Method of determining gas flow volume20 Jul 1993US 5,228,346 AMarathon Oil Company
- Composite structure26 May 1992US 5,116,674 ACiba-Geigy Corporation
- Recording member and recording method using the same12 Jul 1988US 4,756,961 ACanon Kabushiki Kaisha
Most cited
By later US patents
- Metal film recording media for laser writing50US 4,000,492 ABell Telephone Laboratories, Incorporated · 1976
- Ablative optical recording medium40US 4,241,355 ARCA Corporation · 1980
- Light-transmissive recording medium having a crosslinked-polymer ink receiving layer32US 4,701,837 ACanon Kabushiki Kaisha · 1987
- Thin protective overcoat layer for optical video disc30US 4,300,143 ARCA Corporation · 1981
- Optical recording medium22US 4,477,819 AInternational Business Machines Corporation · 1984