Inventor · disambiguated record
Hirohisa Koga
Also filed as: KOGA HIROHISA
11 granted patents·1 pending application·106 citations·filing 1981–2010
89Inventor score
Top patents by PatentIndex Score
12 records- 0195US7359160B2Magnetic head device and linear tape drive including a multi-element magnetic head chip and twin bimodal actuatorsIMATION CORP·Filed 2005·Granted Apr 15, 2008·30 cites·18 claims
- 0288US7339768B2Magnetic head device and linear tape drive including a twin bimodal type actuator and a dampening structureIMATION CORP·Filed 2005·Granted Mar 4, 2008·9 cites·20 claims
- 0382US4441128ARotary transducer head assemblySONY CORP·Filed 1982·Granted Apr 3, 1984·27 cites·7 claims
- 0471US7838640B2Method of producing cell extract for cell-free protein synthesisCELLFREE SCIENCES CO LTD·Filed 2005·Granted Nov 23, 2010·2 cites·5 claims
- 0561US4438469ADeflectable transducer mounting assemblySONY CORP·Filed 1981·Granted Mar 20, 1984·15 cites·15 claims
- 0655US5181146AApparatus for digitally recording and reproducing video and audio signals in skewed tracks on a record tapeSONY CORP·Filed 1989·Granted Jan 19, 1993·10 cites·7 claims
- 0750US7919597B2Method of producing cell extract for cell-free protein synthesisCELLFREE SCIENCES CO LTD·Filed 2010·Granted Apr 5, 2011·0 cites·13 claims
- 0845US2006141294A1Magnetic recording mediumIMATION CORP·Filed 2005·Application pending·0 cites
- 0941US5295032ARotary magnetic head deviceSONY CORP·Filed 1992·Granted Mar 15, 1994·6 cites·1 claims
- 1037US5140483ADrum unit with curved control signal head surfaceSONY CORP·Filed 1991·Granted Aug 18, 1992·3 cites·1 claims
- 1131US5561572ATape guide with lubricant flow preventing means in a signal recording arrangementSONY CORP·Filed 1995·Granted Oct 1, 1996·2 cites·25 claims
- 1227US5645241ADevice for winding magnetic tape of tape cassette in good orderSONY CORP·Filed 1995·Granted Jul 8, 1997·2 cites·17 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →