LexDanaLexDanabeta
Inventor

Kenichi Arai

Inventor
Sendai, JP

Overview

49→
Patents
1977–2019
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 49 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary
G03GElectrography10%
A61BDiagnosis9%
Y10TTechnical subjects covered by former us classification9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C22CAlloys4%
B22DCasting of metals3%
C21DModifying the physical structure of ferrous metals3%
C30BSingle-crystal growth3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
G01RMeasuring electric variables3%
PatentTitleYear
10,389,939Imaging control apparatus20199,517,735'Interior material'20169,296,095'Rotary tool'20168,010,182'Detecting system of position and posture of capsule medical device'20118,010,183'Detecting system of position and posture of capsule medical device'20117,904,137'Medical device guidance system'20117,815,563'Detecting system of position and posture of capsule medical device'20107,751,866'Detecting system of position and posture of capsule medical device'20107,711,408'Medical device guidance system'20107,697,970'Medical apparatus, medical apparatus guide system, capsule type medical apparatus, and capsule type medical apparatus guide apparatus'20107,637,864'Medical device'20097,623,904'Medical apparatus, medical apparatus guide system, capsule type medical apparatus, and capsule type medical apparatus guide apparatus'20097,402,996'Instrument and method for measuring three-dimensional motion'20086,897,054'Human H37 proteins and cDNA encoding the same'20056,856,131'Magnetic sensor, side-opened TEM cell, and apparatus using such magnetic sensor and side-opened TEM cell'20056,675,626'Press forming process and product formed thereby with high dimensional accuracy, and workpiece used therefor'20046,421,303'MULTILAYER RESONANCE DEVICE AND MAGNETO-OPTICAL RECORDING MEDIUM WITH MAGNETIC CENTER LAYER OF A DIFFERENT THICKNESS THAN THAT OF THE COMPONENTS OF THE REFLECTING LAYERS, AND METHOD OF REPRODUCING THE SAME'20026,351,367'Electrostatic holding apparatus having insulating layer with enables easy attachment and detachment of semiconductor object'20026,262,949'Multilayer resonance device and magneto-optical recording medium with magnetic center layer of a different thickness than that of the components of the reflecting layers'20016,184,693'Electromagnetic noise measurement apparatus'20016,163,150'Magnetic field sensor'20006,122,159'Electrostatic holding apparatus'20006,001,444'Optical recording medium'19995,869,386'Method of fabricating a composite silicon-on-insulator substrate'19995,844,294'Semiconductor substrate with SOI structure'19985,667,148'Apparatus and method for peeling and removing a coated films on resin product'19975,489,342'Method of manufacturing silicon steel sheet having grains precisely arranged in goss orientation'19965,354,389'Method of manufacturing silicon steel sheet having grains precisely arranged in Goss orientation'19945,149,521'Composition for use in oral cavity'19924,682,206'Thin ribbon of semiconductor material'19874,525,223'Method of manufacturing a thin ribbon wafer of semiconductor material'19854,523,966'Process of producing silicon ribbon with p-n junction'19854,363,769'Method for manufacturing thin and flexible ribbon wafer of _semiconductor material and ribbon wafer'19824,339,508'Method for manufacturing a thin and flexible ribbon of superconductor material'19824,307,957'Paper jam detecting device for use in an electrophotographic copying machine'19814,280,763'Sequential control circuit means'19814,265,682'High silicon steel thin strips and a method for producing the same'19814,265,440'Computer-controlled paper feeder'19814,264,882'Electric signal transmission device employing a ferromagnetic amorphous ribbon'19814,260,248'Electrophotographic copying apparatus equipped with copying coverage indication device'19814,257,830'Method of manufacturing a thin ribbon of magnetic material'19814,244,722'Method for manufacturing thin and flexible ribbon of dielectric material having high dielectric constant'19814,211,482'Electrophotographic copying apparatus equipped with scanning system control device'19804,143,570'Feeding and cutting control mechanism for roll stored paper'19794,133,609'Charge-erasing device for electrophotographic copying apparatus'19794,126,389'Scanning type variable magnification electrophotographic copying machine employing copy paper storage roll'19784,084,900'Jam detecting device in the electrophotographic copying machine'19784,025,180'Transfer type electrophotographic copying apparatus'19774,017,169'Copy paper transporting unit for use in electro-photographic copying apparatus'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to MINOLTA CAMERA KK (11)· patent assignee history
1977–1979Based in Toyokawa, JP· patent location history
1980–1981Based in Nakano-ku, JP· patent location history
1981–1987Patents assigned to TSUYA NOBORU (5)· patent assignee history
1981–2002Based in Sendai, JP· patent location history
1997–2004Patents assigned to FUJI HEAVY IND LTD (2)· patent assignee history
1998–2000Patents assigned to NEC CORP (3)· patent assignee history
1998–2016Based in Tokyo, JP· patent location history
2005–2011Based in Shiogama, JP· patent location history
2009–2011Patents assigned to OLYMPUS CORP (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINOLTA CAMERA KK111977–1981
OLYMPUS CORP92009–2011
TSUYA NOBORU51981–1987
NEC CORP31998–2000
FUJI HEAVY IND LTD21997–2004
Locations
LocationPatentsSpan
Sendai, JP141981–2002
Shiogama, JP112005–2011
Toyokawa, JP61977–1979
Tokyo, JP51998–2016
Nakano-ku, JP51980–1981