Inventor

Hiroshi Akamatsu

Inventor

Boise, ID, US

Overview

34→

Patents

1977–2021

Patent span

Physics

Primary field (CPC G)

Patents· 34 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Cprimary

G11CStatic stores64%

H03KPulse technique7%

G05FSystems for regulating electric or magnetic variables4%

G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment4%

H05KPrinted circuits4%

A01MCatching, trapping or scaring of animals2%

B23KSoldering or unsoldering2%

H01FMagnets2%

H10DInorganic electric semiconductor devices2%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h102%

PatentTitleYear

11,087,835Memory device latch circuitry2021 11,011,212Delay calibration oscillators for a memory device2021 10,998,893Semiconductor device, delay circuit, and related method2021 10,978,130Temperature-based access timing for a memory device2021 10,937,515Fuse latch circuits and related apparatuses, systems, and methods2021 10,867,660Apparatus and methods for controlling refresh operations2020 10,848,153Leakage current reduction in electronic devices2020 10,734,067Memory device latch circuitry2020 10,607,686Apparatuses and methods for controlling refresh operations2020 10,186,363Magnetic component unit2019 10,153,031Apparatuses and methods for controlling refresh operations2018 10,074,443Semiconductor device including fuse circuit2018 9,922,694'Apparatuses and methods for controlling refresh operations'2018 9,865,359'Semiconductor device including fuse circuit'2018 9,741,447'Semiconductor device including fuse circuit'2017 8,737,158'Semiconductor device and method of controlling the same'2014 8,730,742'Device'2014 7,973,298'Transport/storage cask for radioactive material'2011 7,791,402'Electric fuse determination circuit and determination method'2010 7,293,692'Solder joint structure, soldering method, and electronic-component manufacturing apparatus using the same structure and the method'2007 6,728,149'Semiconductor memory device'2004 6,483,761'Semiconductor memory device'2002 6,304,503'Semiconductor memory device'2001 6,222,781'Semiconductor integrated circuit device capable of externally applying power supply potential to internal circuit while restricting noise'2001 6,163,177'Semiconductor integrated circuit device having output buffer'2000 6,134,681'Semiconductor memory device with spare memory cell'2000 5,887,042'Cask for a radioactive material and radiation shield'1999 5,815,032'Semiconductor device capable of preventing fluctuations of substrate potential'1998 5,777,933'Semiconductor memory device capable of reading/writing data from/into arbitrary memory cell in an input/output compression test mode'1998 5,768,290'Semiconductor integrated circuit device incorporating fuse-programmable pass/fail identification circuit and pass/fail determination method thereof'1998 5,659,260'Sense amplifier having a circuit for compensating for potential voltage drops caused by parasitic interconnections'1997 5,631,867'Semiconductor storage device requiring short time for program voltage to rise'1997 5,539,353'Circuit for compensating for potential voltage drops caused by parasitic interconnection resistance'1996 4,044,495'Device for capturing cockroaches'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to EARTH CHEMICAL CO (1)· patent assignee history

1996–2002Patents assigned to MITSUBISHI ELECTRIC CORP (11)· patent assignee history

1996–2004Based in Hyogo, JP· patent location history

1999–2011Patents assigned to KOBE STEEL LTD (2)· patent assignee history

1999–2011Based in Takasago, JP· patent location history

2010–2014Based in Tokyo, JP· patent location history

2014Patents assigned to AKAMATSU HIROSHI (2)· patent assignee history

2017–2021Patents assigned to MICRON TECHNOLOGY INC (14)· patent assignee history

2017–2021Based in Boise, ID, US· patent location history

2019Based in Fukushima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MICRON TECHNOLOGY INC	14	2017–2021
MITSUBISHI ELECTRIC CORP	11	1996–2002
AKAMATSU HIROSHIself	2	2014
KOBE STEEL LTD	2	1999–2011
EARTH CHEMICAL CO	1	1977

Locations

Location	Patents	Span
Boise, ID, US	14	2017–2021
Hyogo, JP	12	1996–2004
Tokyo, JP	3	2010–2014
Takasago, JP	2	1999–2011
Fukushima, JP	1	2019