Inventor · disambiguated record
Yoshitaka Yasufuku
Also filed as: YASUFUKU YOSHITAKA
17 granted patents·370 citations·filing 1981–1992
95Inventor score
Files withKONISHIROKU PHOTO IND17
Top patents by PatentIndex Score
17 records- 0196US5294525ASilver halide photographic light-sensitive material capable of magnetic-recordingKONISHIROKU PHOTO IND·Filed 1992·Granted Mar 15, 1994·53 cites·9 claims
- 0292US4832301AHangerKONISHIROKU PHOTO IND·Filed 1988·Granted May 23, 1989·96 cites·5 claims
- 0392US4731292AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1986·Granted Mar 15, 1988·53 cites·11 claims
- 0490US4562117AMagnetic recording medium and a process of fabricating such magnetic recording mediumKONISHIROKU PHOTO IND·Filed 1984·Granted Dec 31, 1985·43 cites·14 claims
- 0585US4555443AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1984·Granted Nov 26, 1985·27 cites·27 claims
- 0664US4684572AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1985·Granted Aug 4, 1987·14 cites·6 claims
- 0763US4761338AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1987·Granted Aug 2, 1988·13 cites·13 claims
- 0863US4652496AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1985·Granted Mar 24, 1987·13 cites·18 claims
- 0960US4399443AInk composition and method for ink jet recordingKONISHIROKU PHOTO IND·Filed 1981·Granted Aug 16, 1983·14 cites·20 claims
- 1055US4710427AProcess for treating magnetic metal powerKONISHIROKU PHOTO IND·Filed 1985·Granted Dec 1, 1987·9 cites·17 claims
- 1149US4951167AMagnetic tape cassette with improved front cover supporting mechanismKONISHIROKU PHOTO IND·Filed 1987·Granted Aug 21, 1990·7 cites·13 claims
- 1248US5035856AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1990·Granted Jul 30, 1991·12 cites·11 claims
- 1337US5055349AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1988·Granted Oct 8, 1991·6 cites·14 claims
- 1436US5335876ATape cassette lid-locking deviceKONISHIROKU PHOTO IND·Filed 1992·Granted Aug 9, 1994·3 cites·8 claims
- 1534US5318826AInformation recording medium comprising a silver nalide light sensitive layer, and two superposed magnetic layers which differ in coercivityKONISHIROKU PHOTO IND·Filed 1992·Granted Jun 7, 1994·5 cites·6 claims
- 1631US5284716AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1990·Granted Feb 8, 1994·1 cites·10 claims
- 1729US5041939AMagnetic tape cassette with leaf-shaped spring door closure mechanismKONISHIROKU PHOTO IND·Filed 1990·Granted Aug 20, 1991·1 cites·3 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →