Inventor
Hideaki Tamai
Inventor
Kanagawa, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Jprimary
H04JMultiplex communication24%
H04BTransmission21%
H04QSelecting11%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment8%
H04LTransmission of digital information, e.g. telegraphic communication8%
G02BOptical elements, systems or apparatus3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
G03GElectrography3%
H01JElectric discharge tubes or discharge lamps3%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%
PatentTitleYear
8,942,566'Bandwidth allocator using a shared grant to schedule allocation grants and a method therefor'20158,879,911'Optical line terminal, dynamic bandwidth allocation method, and optical communication network'20148,824,892'Optical line terminal for optoelectrically converting a signal and a method therefor'20148,412,043'Optical communications network, power supply controlling method, station-side equipment, subscriber-side equipment, and semiconductor chip'20138,279,849'Propagation delay time adjustment method, propagation delay time adjustment system, propagation delay time adjustment device, storage medium stored with propagation delay time adjustment program, and node device'20128,279,967'CDM signal transmitter with modulators reduced in number and a method therefor'20128,150,262'Optical communications network and intensity adjustment method for optical communications network'20127,929,572'Code division multiplex signal transmitter and code division multiplexing method with amplifying circuits reduced in number'20117,869,455'Code division multiplex transmitting and receiving apparatus and method'20117,747,170'Optical code division multiplexing transmission/reception method and optical code division multiplexing transmission/reception device'20107,746,805'Communication network using synchronous code division multiplexing method'20107,630,642'Ranging method for communication system between optical line terminal and plurality of optical network units'20097,564,286'Clock regeneration circuit'20097,364,824'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20087,034,988'Wavelength conversion device'20066,564,453'Bent wire forming method'20036,559,582'Cathode and process for producing the same'20036,333,617'Inductive load drive control for selectively extinguishing energy through switching devices or diodes'20014,931,153'Electrolytic treatment of radioactive liquid waste to remove sodium'19904,895,678'Method for thermal decomposition treatment of radioactive waste'19904,727,231'Method and apparatus for denitration of nitrate solution by microwave heating'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1990Patents assigned to DORYOKURO KAKUNENRYO (3)· patent assignee history
1988–2003Patents assigned to NEW JAPAN RADIO CO LTD (2)· patent assignee history
1988–2015Based in Saitama, JP· patent location history
2003Based in Tokorozawa, JP· patent location history
2006–2015Patents assigned to OKI ELECTRIC IND CO LTD (14)· patent assignee history
2006–2009Based in Tokyo, JP· patent location history
2008Based in Newport News, VA, US· patent location history
2009–2012Based in Kanagawa, JP· patent location history
2012–2015Patents assigned to TAMAI HIDEAKI (7)· patent assignee history
2014–2015Patents assigned to FURUSAWA SATOSHI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OKI ELECTRIC IND CO LTD | 14 | 2006–2015 |
| TAMAI HIDEAKIself | 7 | 2012–2015 |
| DORYOKURO KAKUNENRYO | 3 | 1988–1990 |
| FURUSAWA SATOSHI | 2 | 2014–2015 |
| NEW JAPAN RADIO CO LTD | 2 | 1988–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 8 | 2009–2012 |
| Saitama, JP | 6 | 1988–2015 |
| Tokyo, JP | 2 | 2006–2009 |
| Newport News, Virginia, US | 1 | 2008 |
| Tokorozawa, JP | 1 | 2003 |