Inventor
KATO YUKIO
63 patents
⚠️ This page may combine multiple inventors who share the name “KATO YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS5605733AFeb 25, 1997
Magnetic recording medium, method for its production, and system for its use
HITACHI LTD70 citations96
US5467648ANov 21, 1995
Air flow rate measuring device
HITACHI LTD45 citations96
US4337523AJun 29, 1982
Bipolar memory circuit
HITACHI LTD124 citations93
US5835305ANov 10, 1998
Magnetic disk apparatus employing liquid bearing type or physical contact type magnetic head slider
HITACHI LTD24 citations92
US5631415AMay 20, 1997
Air flow rate measuring device
HITACHI LTD31 citations92
US7969826B2Jun 28, 2011
Thermally assisted magnetic recording head having movable mirror for optical switching
HITACHI LTD11 citations84
US6462911B1Oct 8, 2002
Magnetic head support mechanism and magnetic disk device
HITACHI LTD17 citations84
US6414821B1Jul 2, 2002
Magnetic head support mechanism and magnetic disk drive
HITACHI LTD15 citations84
US4480319AOct 30, 1984
Emitter coupled flip flop memory with complementary bipolar loads
HITACHI LTD19 citations73
US4298961ANov 3, 1981
Bipolar memory circuit
HITACHI LTD7 citations73
US4314359AFeb 2, 1982
Semiconductor memory device
HITACHI LTD19 citations71
MITSUBISHI ELECTRIC CORP
6 patentsUS4446351AMay 1, 1984
Process for preparing a press die
MITSUBISHI ELECTRIC CORP26 citations82
US4287403ASep 1, 1981
Method and apparatus for adjusting the gap in an electric discharge machine
MITSUBISHI ELECTRIC CORP17 citations71
US4242557ADec 30, 1980
Apparatus for electrical discharge machining of cylindrical work
MITSUBISHI ELECTRIC CORP16 citations71
US4484053ANov 20, 1984
Device for electrical discharge machining of a work in the form of a roll
MITSUBISHI ELECTRIC CORP19 citations69
US4471199ASep 11, 1984
EDM Of a roll using segmented electrode short-circuited in the rough machine step
MITSUBISHI ELECTRIC CORP13 citations69
US4247748AJan 27, 1981
Method for electrical discharge machining of a work in roll form
MITSUBISHI ELECTRIC CORP4 citations61
KATO YUKIO
5 patentsUS8116176B2Feb 14, 2012
Thermally assisted magnetic head-slider and head-gimbal assembly
KATO YUKIO26 citations92
US4067809AJan 10, 1978
Filtering system for fish-farming water
KATO YUKIO43 citations92
US4004551AJan 25, 1977
Breeding aquarium having filtering chamber therein
KATO YUKIO14 citations74
US8184397B2May 22, 2012
Hard-disk drive with vapor-phase lubricant supply system
KATO YUKIO2 citations62
US9074176B2Jul 7, 2015
Culture medium additive for use in serum-free culturing of animal cell, kit and use thereof
KATO YUKIO2 citations60
WESTERN DIGITAL TECH INC
4 patentsUS10950266B1Mar 16, 2021
In-situ NFT pre-treatment to accumulate optically transparent material on NFT to improve reliability
WESTERN DIGITAL TECH INC5 citations84
US10950267B1Mar 16, 2021
HAMR media to assist optically transparent build-up on NFT to improve reliability
WESTERN DIGITAL TECH INC4 citations72
US11244703B2Feb 8, 2022
In-situ NFT pre-treatment to accumulate optically transparent material on NFT to improve reliability
WESTERN DIGITAL TECH INC0 citations62
US12573427B1Mar 10, 2026
Smear height detection and measurement in a data storage device
WESTERN DIGITAL TECH INC0 citations58
MITSUBISHI CHEM CORP
3 patentsUS12020676B2Jun 25, 2024
Sound-blocking sheet member, sound-blocking structure using same, and method for manufacturing sound-blocking sheet member
MITSUBISHI CHEM CORP2 citations69
USD976448SJan 24, 2023
Vibration control and noise insulation material
MITSUBISHI CHEM CORP0 citations61
USD965183SSep 27, 2022
Vibration control and noise insulation material
MITSUBISHI CHEM CORP0 citations61
JOYTEC CORP
2 patentsHONDA MOTOR CO LTD
2 patentsNANIWA IRIZO
2 patentsMITSUBISHI CHEMICAL BASF COMPA
2 patents(unassigned)
1 patentIKEDA BUSSAN CO
1 patentTOYODA MACHINE WORKS LTD
1 patentTAKEDA CHEMICAL INDUSTRIES LTD
1 patentOMRON TATEISI ELECTRONICS CO
1 patentTOYOTA BOSHOKU KK
1 patentTAIHEIYO CEMENT CORP
1 patentJOYTEC KABUSHIKI KAISHA
1 patentFUJITSU LTD
1 patentHITACHI CAR ENG CO LTD
1 patentCHUGAI PHARMACEUTICAL CO LTD
1 patentHOECHST JAPAN
1 patentJAPAN TOBACCO INC
1 patentShowing the top 50 of 63 patents by PatentIndex Score.