P

Inventor

TAKEDA EIJI

JP44 patents
⚠️ This page may combine multiple inventors who share the name “TAKEDA EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

22 patents
US5466621ANov 14, 1995

Method of manufacturing a semiconductor device having silicon islands

HITACHI LTD137 citations99
US5177576AJan 5, 1993

Dynamic random access memory having trench capacitors and vertical transistors

HITACHI LTD174 citations99
US5355330AOct 11, 1994

Capacitive memory having a PN junction writing and tunneling through an insulator of a charge holding electrode

HITACHI LTD115 citations98
US5346834ASep 13, 1994

Method for manufacturing a semiconductor device and a semiconductor memory device

HITACHI LTD89 citations96
US5140389AAug 18, 1992

Semiconductor memory device having stacked capacitor cells

HITACHI LTD74 citations96
US5132771AJul 21, 1992

Semiconductor memory device having flip-flop circuits

HITACHI LTD56 citations96
US5115289AMay 19, 1992

Semiconductor device and semiconductor memory device

HITACHI LTD93 citations96
US4894696AJan 16, 1990

Dynamic random access memory having a trench capacitor

HITACHI LTD65 citations96
US4455495AJun 19, 1984

Programmable semiconductor integrated circuitry including a programming semiconductor element

HITACHI LTD142 citations96
US5420436AMay 30, 1995

Methods for measuring optical system, and method and apparatus for exposure using said measuring method

HITACHI LTD61 citations94
US5357464AOct 18, 1994

Semiconductor memory having writing and reading transistors, method of fabrication thereof, and method of use thereof

HITACHI LTD63 citations94
US5034797AJul 23, 1991

Semiconductor memory devices having stacked polycrystalline silicon transistors

HITACHI LTD40 citations93
US5485497AJan 16, 1996

Optical element and projection exposure apparatus employing the same

HITACHI LTD25 citations92
US5296729AMar 22, 1994

Semiconductor memory device having static random access memory

HITACHI LTD48 citations92
US5270232ADec 14, 1993

Process for fabricating field effect transistor

HITACHI LTD27 citations92
US4656492AApr 7, 1987

Insulated gate field effect transistor

HITACHI LTD37 citations92
US5053849AOct 1, 1991

Transistor with overlapping gate/drain and two-layered gate structures

HITACHI LTD51 citations90
US5200635AApr 6, 1993

Semiconductor device having a low-resistivity planar wiring structure

HITACHI LTD20 citations82
US5591998AJan 7, 1997

Semiconductor memory device

HITACHI LTD6 citations74
US5583358ADec 10, 1996

Semiconductor memory device having stacked capacitors

HITACHI LTD11 citations74
US5374576ADec 20, 1994

Method of fabricating stacked capacitor cell memory devices

HITACHI LTD11 citations74
US4977435ADec 11, 1990

Semiconductor device with a split conduction channel

HITACHI LTD12 citations72

JST MFG CO LTD

6 patents

JOLED INC

3 patents

NAGANO KEIKI CO LTD

3 patents

PANASONIC IP MAN CO LTD

3 patents

MEDICAL SYSTEMS GLOBAL TECHNOL

1 patent

DENSO CORP

1 patent

TAKEDA EIJI

1 patent

RENESAS TECH CORP

1 patent

ANRITSU CORP

1 patent

HASHIMOTO JUN

1 patent

NIKI YOHEI

1 patent