Inventor
Tomoyuki Kato
Inventor
Yokohama, JP
Overview
Patents· 47 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Jprimary
H04JMultiplex communication17%
G06FElectric digital data processing16%
H04BTransmission16%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
G03GElectrography7%
G02BOptical elements, systems or apparatus5%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light5%
LOC125%
G01MTesting static or dynamic balance of machines or structures2%
H04LTransmission of digital information, e.g. telegraphic communication2%
PatentTitleYear
10,824,086Image forming apparatus including a cleaning member that has a spiral portion of different edge surface widths among different regions202010,749,604Optical phase distortion compensating device and method of compensating optical phase distortion202010,720,992Transmission apparatus, reception apparatus, and method for estimating characteristics of transmission line202010,613,455Automatic cleaning image forming apparatus and method of controlling image forming apparatus202010,608,775Optical transmission apparatus, optical transmission method, and optical transmission system2020D0867957Wheel cap for automobile2019D0867214Automobile, toy replica and/or other replicas201910,429,721Wavelength conversion device, control-light generation device, wavelength conversion method, and control-light generation method201910,281,798Wavelength conversion device, control-light generation device, wavelength conversion method, and control-light generation method201910,193,621Location measurement apparatus, light modulation converter, and light variation location measurement method2019D0838651Wheel for an automobile2019D0838652Wheel for an automobile201910,156,296Load driving controller20189,983,619Image display apparatus20189,929,828'Optical add/drop multiplexer and method for adding/dropping optical signal'20189,857,662'Optical frequency shift device and method'20189,785,520'Computer system, storage apparatus and control method'20179,780,880'Relay device and optical network system'20179,746,699'Optical frequency shifter, single sideband modulator, and light insertion and branch apparatus'20179,634,787'Optical add-drop multiplexer'20179,450,699'Optical drop device, optical drop method, and optical add device'20169,148,228'Optical signal transmitting device, optical signal transmitting method, frequency fluctuation suppressing device and frequency fluctuation suppressing system'20159,106,359'Optical network system, optical multiplexing apparatus, and receiving apparatus'20159,106,354'Optical frequency-division multiplexer, optical communication system, and optical frequency-division multiplexing method'20159,088,383'Transmitting apparatus, receiving apparatus, optical frequency division multiplex transmission system, and optical signal communication method'20159,077,470'Optical transmission system using cross phase modulation'20159,020,339'Optical transmission system and control method'20158,918,613'Storage apparatus and data management method for storage area allocation based on access frequency'20148,773,753'Optical amplifier and optical amplifying apparatus'20148,762,679'Systems and methods of allocating storage regions to virtual regions'20148,682,202'Image forming apparatus that includes operation control unit controlling a plurality of fans for discharging ozone and a fixing device'20148,583,884'Computing system and backup method'20138,312,246'Storage apparatus and storage area allocation method'20128,305,768'Secondary battery protecting module and lead mounting method'20128,291,163'Storage apparatus and configuration setting method'20128,086,818'Storage apparatus and storage area allocation method'20118,065,483'Storage apparatus and configuration setting method'20117,664,926'Storage apparatus and storage area allocation method'20107,555,600'Storage apparatus and configuration setting method'20097,543,129'Storage system and storage area allocation method configuring pool areas each including logical volumes having identical allocation unit size'20097,047,367'Information processing device and setting method for same'20066,587,666'Process unit with cleaner and image forming apparatus comprising the same'20036,282,340'Light wavelength tuning device and light source optical demultiplexer and wavelength division multiplexed optical communication system using the tuning device'20016,068,746'Oxygen sensor having a solid electrolyte applicable to an internal combustion engine'20005,701,559'Cleanerless image forming apparatus using an electrophotographic process'19975,381,794'Ultrasonic probe apparatus'19955,294,961'Recording apparatus with two charging units for achieving uniform after-transfer zones distribution'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2003Based in Mishima, JP· patent location history
2001–2017Based in Tokyo, JP· patent location history
2003–2020Patents assigned to TOSHIBA TEC KK (4)· patent assignee history
2006–2017Patents assigned to HITACHI LTD (12)· patent assignee history
2009–2014Based in Odawara, JP· patent location history
2011–2015Patents assigned to KATO TOMOYUKI (10)· patent assignee history
2014–2020Patents assigned to FUJITSU LTD (20)· patent assignee history
2015–2020Based in Yokohama, JP· patent location history
2019Patents assigned to HONDA MOTOR CO LTD (4)· patent assignee history
2019Based in Wako, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 20 | 2014–2020 |
| HITACHI LTD | 12 | 2006–2017 |
| KATO TOMOYUKIself | 10 | 2011–2015 |
| HONDA MOTOR CO LTD | 4 | 2019 |
| TOSHIBA TEC KK | 4 | 2003–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 17 | 2015–2020 |
| Odawara, JP | 10 | 2009–2014 |
| Wako, JP | 4 | 2019 |
| Tokyo, JP | 3 | 2001–2017 |
| Mishima, JP | 3 | 1994–2003 |