Inventor · disambiguated record
Masaru Ohki
Also filed as: OHKI MASARU
42 granted patents·10 pending applications·2,297 citations·filing 1983–2023
99Inventor score
Top patents by PatentIndex Score
52 records- 0197US6477239B1Sign language telephone deviceHITACHI LTD·Filed 2000·Granted Nov 5, 2002·217 cites·10 claims
- 0293US6719634B2IC card, terminal device and service management serverHITACHI LTD·Filed 2002·Granted Apr 13, 2004·163 cites·15 claims
- 0392US6681995B2Method of loading an application program into a smart card, smart card, method of loading scripts into a smart card, terminal device capable of operating with a smart card, and storage medium holding an application programHITACHI LTD·Filed 2000·Granted Jan 27, 2004·177 cites·16 claims
- 0491US5734923AApparatus for interactively editing and outputting sign language information using graphical user interfaceHITACHI LTD·Filed 1996·Granted Mar 31, 1998·153 cites·16 claims
- 0591US5659764ASign language generation apparatus and sign language translation apparatusHITACHI LTD·Filed 1994·Granted Aug 19, 1997·140 cites·13 claims
- 0689US6408075B1Information processing equipment and IC cardHITACHI LTD·Filed 2000·Granted Jun 18, 2002·66 cites·15 claims
- 0789US6181778B1Chronological telephone systemHITACHI LTD·Filed 1995·Granted Jan 30, 2001·162 cites·33 claims
- 0889US5524175ANeuro-computer system for executing a plurality of controlling algorithmsHITACHI LTD·Filed 1993·Granted Jun 4, 1996·93 cites·30 claims
- 0988US10279324B2Fluid supply pipeSIO CO LTD·Filed 2018·Granted May 7, 2019·4 cites·23 claims
- 1088US4809163AComputer system with power control based on the operational status of terminalsHITACHI LTD·Filed 1987·Granted Feb 28, 1989·116 cites·18 claims
- 1187US7119662B1Service system, information processing system and interrogatorHITACHI LTD·Filed 2000·Granted Oct 10, 2006·51 cites·12 claims
- 1287US6659345B2Method of loading an application program into a smart card, smart card, method of loading scripts into a smart card, terminal device capable of operating with a smart card, and storage medium holding an application programHITACHI LTD·Filed 2001·Granted Dec 9, 2003·33 cites·18 claims
- 1386US5953693ASign language generation apparatus and sign language translation apparatusHITACHI LTD·Filed 1997·Granted Sep 14, 1999·121 cites·5 claims
- 1484US7159241B1Method for the determination of soundness of a sheet-shaped medium, and method for the verification of data of a sheet-shaped mediumHITACHI LTD·Filed 2000·Granted Jan 2, 2007·46 cites·14 claims
- 1582US6484946B2IC card information display device and IC card for use therewithHITACHI LTD·Filed 1998·Granted Nov 26, 2002·76 cites·19 claims
- 1680US4550386ATerminal controllerHITACHI LTD·Filed 1983·Granted Oct 29, 1985·67 cites·8 claims
- 1779US7051205B1Sheet-shaped medium, method and apparatus for determination of genuineness or counterfeitness of the same, and apparatus for issuing certificateHITACHI LTD·Filed 2000·Granted May 23, 2006·26 cites·4 claims
- 1879US5990878ASign language editing apparatusHITACHI LTD·Filed 1996·Granted Nov 23, 1999·94 cites·15 claims
- 1978US7152230B2Storage media storing data related to smart card, smart card system and smart card application loading methodNIPPON TELEGRAPH & TELEPHONE·Filed 2001·Granted Dec 19, 2006·26 cites·9 claims
- 2078US6666381B1Information processing device, information processing method and smartcardHITACHI LTD·Filed 2001·Granted Dec 23, 2003·27 cites·9 claims
- 2177US10668438B2Fluid supply pipeSIO CO LTD·Filed 2019·Granted Jun 2, 2020·1 cites·21 claims
- 2277US7254718B2Tamper-resistant processing methodHITACHI LTD·Filed 2001·Granted Aug 7, 2007·23 cites·6 claims
- 2377US6976635B2Method of providing IC card service, card terminal, and IC cardHITACHI LTD·Filed 2001·Granted Dec 20, 2005·12 cites·20 claims
- 2477US6931379B1IC card system and IC cardHITACHI LTD·Filed 2000·Granted Aug 16, 2005·53 cites·2 claims
- 2576US6615354B1Information processing equipmentHITACHI LTD·Filed 2000·Granted Sep 2, 2003·20 cites·18 claims
- 2676US5042008ANon-volatile semiconductor memory device having word lines ("control gates") embedded in substrateNEC CORP·Filed 1990·Granted Aug 20, 1991·40 cites·8 claims
- 2775US11000865B2Fluid supply apparatusSIO CO LTD·Filed 2018·Granted May 11, 2021·1 cites·13 claims
- 2875US6968354B2Tamper-resistant modular multiplication methodHITACHI LTD·Filed 2001·Granted Nov 22, 2005·21 cites·13 claims
- 2975US4814975AVirtual machine system and method for controlling machines of different architecturesHITACHI LTD·Filed 1984·Granted Mar 21, 1989·46 cites·1 claims
- 3070US7086087B1Information processing device, card device and information processing systemHITACHI ULSI SYS CO LTD·Filed 2000·Granted Aug 1, 2006·31 cites·10 claims
- 3170US6834802B2Method of loading an application program into a smart card, smart card, method of loading scripts into a smart card, terminal device capable of operating with a smart card, and storage medium holding an application programHITACHI LTD·Filed 2003·Granted Dec 28, 2004·17 cites·21 claims
- 3268US7173515B2RFID tag, and RFID tag-related determining device and method, and management system and methodHITACHI LTD·Filed 2003·Granted Feb 6, 2007·19 cites·19 claims
- 3363US7235860B2Bipolar transistor including divided emitter structureNEC ELECTRONICS CORP·Filed 2005·Granted Jun 26, 2007·2 cites·7 claims
- 3460US6839847B1Information processing equipment and IC cardHITACHI LTD·Filed 1999·Granted Jan 4, 2005·37 cites·12 claims
- 3559US6575835B1IC card, terminal device and service management serverHITACHI LTD·Filed 1999·Granted Jun 10, 2003·27 cites·6 claims
- 3657US6631471B1Information processing equipmentHITACHI LTD·Filed 1999·Granted Oct 7, 2003·19 cites·24 claims
- 3755US2002154767A1Tamper resistance deviceFiled 2001·Application pending·0 cites
- 3854US4649480AMethod of procedures linkage controlHITACHI LTD·Filed 1985·Granted Mar 10, 1987·22 cites·6 claims
- 3954US4646235AComputer network having a host-local file I/O operationHITACHI LTD·Filed 1983·Granted Feb 24, 1987·23 cites·26 claims
- 4053US2024139696A1Fluid mixing output apparatus and fluid utilization apparatus using the sameSIO CO LTD·Filed 2023·Application pending·0 cites
- 4149US2002069169A1Data processing method of smart card systemFiled 2001·Application pending·0 cites
- 4248US2023020501A1Internal structure, fluid characteristic changing apparatus, and utilization apparatus thereofSIO CO LTD·Filed 2022·Application pending·0 cites
- 4345US2002194129A1IC card reader/writerHITACHI LTD·Filed 2002·Application pending·0 cites
- 4443US6644553B1Portable IC card terminalHITACHI LTD·Filed 1997·Granted Nov 11, 2003·16 cites·5 claims
- 4543US5045912ABi-CMOS integrated circuit device having a high speed lateral bipolar transistorNEC CORP·Filed 1990·Granted Sep 3, 1991·9 cites·8 claims
- 4643US2002112236A1Smart card, method for loyalty program using smart card, and smart card systemFiled 2001·Application pending·0 cites
- 4742US2019091820A1Fluid supply apparatusSIO CO LTD·Filed 2018·Application pending·0 cites
- 4842US2002124179A1Fault detection methodHITACHI LTD·Filed 2001·Application pending·0 cites
- 4939US2020261869A1Fluid supply device, internal structure, and method for manufacturing the sameSIO CO LTD·Filed 2020·Application pending·0 cites
- 5039US2018023600A1Fluid supply pipeSIO CO LTD·Filed 2017·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →