Inventor
ISHIHARA HIROKI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “ISHIHARA HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EISAI CO LTD
13 patentsUS5716993AFeb 10, 1998
Anthranilic acid derivatives
EISAI CO LTD116 citations98
US5849741ADec 15, 1998
Fused pyridazine compounds
EISAI CO LTD50 citations96
US5614627AMar 25, 1997
Quinazoline compounds
EISAI CO LTD92 citations96
US5707998AJan 13, 1998
Nitrogen-containing fused-heterocycle compounds
EISAI CO LTD40 citations92
US6784192B2Aug 31, 2004
Piperidine compound and pharmaceutical composition thereof
EISAI CO LTD19 citations82
US6288064B1Sep 11, 2001
Remedy for erection failure comprising fused pyridazine compound
EISAI CO LTD20 citations82
US6699870B2Mar 2, 2004
Phthalazine compounds and therapeutic agents for erectile dysfunction
EISAI CO LTD9 citations73
US6218392B1Apr 17, 2001
Fused pyridazine compounds
EISAI CO LTD14 citations73
US5506238AApr 9, 1996
Biphenylmethane derivative and pharmacological use
EISAI CO LTD12 citations72
US5444083AAug 22, 1995
Pyrrolidine compound and pharmaceutical use
EISAI CO LTD10 citations72
US5298518AMar 29, 1994
Biphenylmethane derivative and pharmacological use
EISAI CO LTD12 citations72
US6498159B1Dec 24, 2002
Phthalazine derivatives and remedies for erectile dysfunction
EISAI CO LTD5 citations62
US5328911AJul 12, 1994
Biphenylmethane derivative and pharmacological use
EISAI CO LTD3 citations61
MITSUBISHI ELECTRIC CORP
9 patentsUS11422190B2Aug 23, 2022
Storage battery system charging control device, storage battery system, and storage battery charging control method
MITSUBISHI ELECTRIC CORP3 citations71
US11973347B2Apr 30, 2024
Storage battery system and method for suppressing fluctuation in frequency of AC power system
MITSUBISHI ELECTRIC CORP1 citations62
US12272954B2Apr 8, 2025
Power storage system and grid control system
MITSUBISHI ELECTRIC CORP0 citations52
US11146080B2Oct 12, 2021
Power supply device
MITSUBISHI ELECTRIC CORP0 citations52
US12266935B2Apr 1, 2025
Power conversion device
MITSUBISHI ELECTRIC CORP0 citations51
US11817708B2Nov 14, 2023
Power conversion system and management apparatus for the same, and distributed power supply apparatus
MITSUBISHI ELECTRIC CORP0 citations50
US11309807B2Apr 19, 2022
Power conversion system and power conversion device
MITSUBISHI ELECTRIC CORP0 citations50
US12549110B2Feb 10, 2026
Power conversion device simulating a synchronous generator
MITSUBISHI ELECTRIC CORP0 citations47
US10673354B2Jun 2, 2020
Power conversion device
MITSUBISHI ELECTRIC CORP0 citations42
DAIKIN IND LTD
4 patentsUS6503060B1Jan 7, 2003
Fan guard of blower unit and air conditioner
DAIKIN IND LTD84 citations97
US7363768B2Apr 29, 2008
Outdoor unit of refrigerator, and electrical equipment box of outdoor unit
DAIKIN IND LTD8 citations71
US7752861B2Jul 13, 2010
Outdoor unit of air conditioner
DAIKIN IND LTD6 citations61
US7086250B2Aug 8, 2006
Outdoor unit of air conditioner
DAIKIN IND LTD3 citations61
YAZAKI CORP
4 patentsUS5935324AAug 10, 1999
Apparatus and method for forming I-III-VI2 thin-film layers
YAZAKI CORP12 citations71
US5910336AJun 8, 1999
Process for producing light-absorbing chalcopyrite film
YAZAKI CORP15 citations70
US10422820B2Sep 24, 2019
Voltage sensor
YAZAKI CORP0 citations52
US10401394B2Sep 3, 2019
Voltage sensor
YAZAKI CORP0 citations42
ISHIHARA HIROKI
4 patentsUS12319511B2Jun 3, 2025
Device for attaching and detaching roller, and belt conveyor including the device
ISHIHARA HIROKI1 citations62
US12459767B2Nov 4, 2025
Open and close device, sheet conveyor, and image forming apparatus
ISHIHARA HIROKI0 citations60
US12083789B2Sep 10, 2024
Attachment mechanism, apparatus including attachment mechanism, belt device, conveyance device, cooling device, and printing apparatus
ISHIHARA HIROKI0 citations60
US8132425B2Mar 13, 2012
Electrical component box of container refrigeration system
ISHIHARA HIROKI0 citations50
FUJIKURA LTD
2 patentsUS9817294B2Nov 14, 2017
Optical modulation device
FUJIKURA LTD12 citations83
US10168483B2Jan 1, 2019
Method for connecting optical waveguide and optical fiber, semiconductor optical device, and method for manufacturing semiconductor optical device having optical fiber connected thereto
FUJIKURA LTD0 citations51