Inventor
OTA TAKESHI
JP54 patents
⚠️ This page may combine multiple inventors who share the name “OTA TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
27 patentsUS5959752ASep 28, 1999
Optical transceiver and optical communications network for both of optical fiber transmission and free space transmission
FUJI XEROX CO LTD130 citations98
US6115615ASep 5, 2000
Cellular communication network and its communication method
FUJI XEROX CO LTD107 citations97
US5854700ADec 29, 1998
Optical communication network
FUJI XEROX CO LTD39 citations96
US5784094AJul 21, 1998
Laser beam printer with a plurality of photoreceptors and a common scanning optical system
FUJI XEROX CO LTD43 citations96
US5773345AJun 30, 1998
Optical link amplifier and a wavelength multiplex laser oscillator
FUJI XEROX CO LTD62 citations96
US5737300AApr 7, 1998
Optical dish device
FUJI XEROX CO LTD47 citations96
US5684899ANov 4, 1997
Optical communication network
FUJI XEROX CO LTD41 citations96
US5570226AOct 29, 1996
Optical link amplifier and a wavelength multiplex laser oscillator
FUJI XEROX CO LTD53 citations96
US6061079AMay 9, 2000
Laser beam printer with a common scanning optical system
FUJI XEROX CO LTD24 citations93
US6034966AMar 7, 2000
Control method of data transmission for the multiplexing bus system network and wireless network
FUJI XEROX CO LTD43 citations93
US5915054AJun 22, 1999
Star coupler for an optical communication network
FUJI XEROX CO LTD31 citations93
US5619488AApr 8, 1997
Information recording device
FUJI XEROX CO LTD42 citations93
US5559784ASep 24, 1996
Multi-layer optical information detection by two laser beam and optical multilayer recording medium
FUJI XEROX CO LTD46 citations93
US5510920AApr 23, 1996
Local area network
FUJI XEROX CO LTD38 citations93
US5500763AMar 19, 1996
Transmitter-receiver and optical amplifier for optical communication
FUJI XEROX CO LTD19 citations93
US5465265ANov 7, 1995
Multi-beam laser light source and multi-beam semiconductor laser array
FUJI XEROX CO LTD36 citations93
US5319642AJun 7, 1994
Method of communication using a two-way bus with contention detection
FUJI XEROX CO LTD29 citations93
US5305022AApr 19, 1994
Interlaced multi-beam scanning type recording apparatus
FUJI XEROX CO LTD33 citations93
US5300956AApr 5, 1994
Multibeam semiconductor laser array and multibeam laser printer
FUJI XEROX CO LTD23 citations93
US5282257AJan 25, 1994
Star coupler and optical communication network
FUJI XEROX CO LTD42 citations93
US5986790ANov 16, 1999
Light source for optical communication, optical transceiver and optical communication network
FUJI XEROX CO LTD50 citations92
US5523879AJun 4, 1996
Optical link amplifier and a wavelength multiplex laser oscillator
FUJI XEROX CO LTD15 citations82
US5533153AJul 2, 1996
Optical relay amplifier with a bypass waveguide
FUJI XEROX CO LTD17 citations74
US5404241AApr 4, 1995
Optical communication network
FUJI XEROX CO LTD18 citations74
US5305342AApr 19, 1994
Multibeam semiconductor laser array
FUJI XEROX CO LTD10 citations74
US5487122AJan 23, 1996
Star coupler including waveguides having different radius of curvatures
FUJI XEROX CO LTD3 citations63
US5343545AAug 30, 1994
Interconnectable multi-terminal star coupler
FUJI XEROX CO LTD6 citations62
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS6091696AJul 18, 2000
Disc changer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US6396795B2May 28, 2002
Disc changer with gap maintaining means
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations73
US6262963B1Jul 17, 2001
Disc changer with spindles and elevating means
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US6404725B2Jun 11, 2002
Disc changer with switching gear and drive switching means
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
CANON KK
4 patentsUS12486416B2Dec 2, 2025
Aqueous ink, ink cartridge and ink jet recording method
CANON KK0 citations62
US10703123B2Jul 7, 2020
Ink jet recording medium and image recording method
CANON KK1 citations62
US10166803B2Jan 1, 2019
Recording medium
CANON KK1 citations62
US10150318B2Dec 11, 2018
Recording medium and production process thereof
CANON KK1 citations52
SONY CORP
3 patentsUS6335729B2Jan 1, 2002
Display method, method of storing image information, display apparatus, navigation apparatus and automobile
SONY CORP19 citations92
US6310617B1Oct 30, 2001
Display method, method of storing image information, display apparatus, navigation apparatus and automobile
SONY CORP8 citations73
US7538780B2May 26, 2009
Drawing processing apparatus, display apparatus, drawing processing method and navigation apparatus
SONY CORP3 citations62
MITSUI MINING & SMELTING CO
3 patentsUS6563579B1May 13, 2003
Measurement apparatus for measuring internal quality of object
MITSUI MINING & SMELTING CO14 citations91
US6233051B1May 15, 2001
Measurement apparatus for measuring internal quality of object
MITSUI MINING & SMELTING CO15 citations91
US6137581AOct 24, 2000
Measurement apparatus for measuring internal quality of object
MITSUI MINING & SMELTING CO28 citations91
CANARE ELECTRIC CO LTD
2 patentsTOYO BOSEKI
1 patentFUJIFILM CORP
1 patentTELECOMM ADVANCEMENT ORG JAPAN
1 patentSUMITOMO RUBBER IND
1 patentOTA TAKESHI
1 patentKANTO KAGAKU
1 patentMAZDA MOTOR
1 patentShowing the top 50 of 54 patents by PatentIndex Score.