Inventor · disambiguated record
Klaus D. Schomann
Also filed as: SCHOMANN KLAUS D · SCHOMANN KLAUS DIETER
24 granted patents·180 citations·filing 1978–1994
95Inventor score
Top patents by PatentIndex Score
24 records- 0187US4939012ANaphtholactam dyes and optical recording medium containing these dyesBASF AG·Filed 1989·Granted Jul 3, 1990·35 cites·3 claims
- 0276US4806664ANovel tetraphenyldithiolene complexes, asymmetrically substituted benzoins, and optical recording materials containing the novel complexesBASF AG·Filed 1987·Granted Feb 21, 1989·12 cites·6 claims
- 0376US4187521ADC erase headBASF AG·Filed 1978·Granted Feb 5, 1980·17 cites·5 claims
- 0475US5093492AMethine dyes and optical recording medium containing sameBASF AG·Filed 1990·Granted Mar 3, 1992·15 cites·4 claims
- 0569US5084592AAzulenesquaric acid dyes, azulene intermediates therefor, and optical recording mediumBASF AG·Filed 1988·Granted Jan 28, 1992·9 cites·4 claims
- 0662US4990649AAzulenesquaric acid dyes that contain urethane groupsBASF AG·Filed 1989·Granted Feb 5, 1991·6 cites·4 claims
- 0759US4670332AIrreversible optical medium for information storage, and its productionBASF AG·Filed 1985·Granted Jun 2, 1987·17 cites·4 claims
- 0858US5122435AAmido-containing azulene squaric acid dyes, intermediates therefor and optical recording mediumBASF AG·Filed 1990·Granted Jun 16, 1992·6 cites·8 claims
- 0957US4712148AMagnetic tape cassette with equalization of electrostatic chargesBASF AG·Filed 1986·Granted Dec 8, 1987·9 cites·3 claims
- 1056US4876356ANaphtholactam dyes and optical recording medium containing these daysBASF AG·Filed 1987·Granted Oct 24, 1989·9 cites·3 claims
- 1153US4625252AGuide system and magnetic tape cassette comprising such a systemBASF AG·Filed 1982·Granted Nov 25, 1986·12 cites·8 claims
- 1250US4348698AMagnetic devices for changing video recordingsBASF AG·Filed 1979·Granted Sep 7, 1982·6 cites·9 claims
- 1344US4966798AOptical recording mediumBASF AG·Filed 1989·Granted Oct 30, 1990·9 cites·2 claims
- 1441US5728867ACarbonyloxy-substituted azulenesquaric acid dyes, intermediates therefor and optical recording mediumBASF AG·Filed 1990·Granted Mar 17, 1998·2 cites·4 claims
- 1541US5169975ABinary azulenesquaric acid dyes, their intermediates and optical recording mediumBASF AG·Filed 1991·Granted Dec 8, 1992·2 cites·4 claims
- 1638US5087727AA zulenes containing a urethane groupBASF AG·Filed 1990·Granted Feb 11, 1992·1 cites·1 claims
- 1737US5221751AHeterocyclic polymethine dyes with carbamate or amide groupsBASF AG·Filed 1991·Granted Jun 22, 1993·3 cites·3 claims
- 1833US4830951ANaphtholactamsquaric acid dyes and optical recording materials containing these dyesBASF AG·Filed 1987·Granted May 16, 1989·4 cites·5 claims
- 1931US5462810AMagnetic recording mediumBASF MAGNETICS GMBH·Filed 1994·Granted Oct 31, 1995·1 cites·7 claims
- 2030US5002863ANaphtholactamtrimethine dyes and optical recording medium containing sameBASF AG·Filed 1988·Granted Mar 26, 1991·1 cites·6 claims
- 2130US4751601ATape guide system for magnetic tapes, especially video tapesBASF AG·Filed 1986·Granted Jun 14, 1988·1 cites·20 claims
- 2229US5124240AOptical recording mediumBROSIUS SIBYLLE·Filed 1990·Granted Jun 23, 1992·3 cites·3 claims
- 2329US5064702AQuinoxalinepentamethine dyes and optical recording medium containing sameBASF AG·Filed 1990·Granted Nov 12, 1991·0 cites·6 claims
- 2426US5235573ARepositioning laser beams in information storage mediaBASF AG·Filed 1990·Granted Aug 10, 1993·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →