Inventor · disambiguated record
Kazuo Hasumi
Also filed as: HASUMI KAZUO
7 granted patents·104 citations·filing 1988–1992
85Inventor score
Top patents by PatentIndex Score
7 records- 0174US5351354ADust cleaner and dust cleaning methodSEIKO INSTR INC·Filed 1992·Granted Oct 4, 1994·36 cites·15 claims
- 0271US4919856AProcess for producing membranes for use in gas separationDAINIPPON INK & CHEMICALS·Filed 1988·Granted Apr 24, 1990·33 cites·87 claims
- 0362US4886703AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted Dec 12, 1989·12 cites·16 claims
- 0443US4970121AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted Nov 13, 1990·8 cites·9 claims
- 0539US5008147AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted Apr 16, 1991·6 cites·10 claims
- 0636US5023135AMagnetic recording medium which contains a binder of nitrogen containing vinyl chloride polymer and an amino group containing polyurethaneFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jun 11, 1991·5 cites·8 claims
- 0735US5141808AMagnetic recording medium having two magnetic layers each containing a specified polyurethane resinFUJI PHOTO FILM CO LTD·Filed 1989·Granted Aug 25, 1992·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →