Inventor

KOTAKI HIROSHI

JP10 patents

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

NEC CORP

4 patents

US5028990AJul 2, 1991

Semiconductor memory device having improved dynamic memory cell structure

NEC CORP33 citations91

US4969022ANov 6, 1990

Dynamic random access memory device having a plurality of improved one-transistor type memory cells

NEC CORP50 citations91

US4977099ADec 11, 1990

Method for fabricating semiconductor memory device

NEC CORP15 citations72

US4987091AJan 22, 1991

Process of fabricating dynamic random access memory cell

NEC CORP4 citations61

HITACHI LTD

2 patents

US11694824B2Jul 4, 2023

MGB2 superconducting wire material and manufacturing method therefor

HITACHI LTD0 citations51

US11562836B2Jan 24, 2023

Production method for MgB2 superconducting wire rod superconducting coil and MRI

HITACHI LTD0 citations51

SHARP KK

1 patent

US5391508AFeb 21, 1995

Method of forming semiconductor transistor devices

SHARP KK42 citations92

KOTAKI HIROSHI

1 patent

US8139395B2Mar 20, 2012

Semiconductor memory device

KOTAKI HIROSHI6 citations62

ARAI NOBUTOSHI

1 patent

US8421116B2Apr 16, 2013

Light emitting device and method for manufacturing the same

ARAI NOBUTOSHI2 citations59

YAMAHA CORP

1 patent

US11985489B2May 14, 2024

Sound processing method, terminal, and sound system

YAMAHA CORP0 citations48