Inventor

Toshio Wada

Inventor

Tateyama, JP

Overview

31→

Patents

1986–2019

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 31 as inventor

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

G11Cprimary

G11CStatic stores18%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles11%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof11%

F16KValves11%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

F16CShafts5%

H10BElectronic memory devices5%

H10DInorganic electric semiconductor devices5%

Y10TTechnical subjects covered by former us classification5%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material4%

PatentTitleYear

10,279,679Valve device2019 10,253,894Fuel tank check valve2019 10,161,538Valve device2018 10,113,514Valve device2018 10,041,601Valve device2018 9,052,027'Valve device for fuel tank'2015 6,877,945'Forklift'2005 6,274,919'Semiconductor device having a field-shield device isolation structure'2001 6,198,151'Semiconductor device, semiconductor integrated circuit device, and method of manufacturing same'2001 6,144,080'Semiconductor integrated circuit device having field shield MOS devices'2000 5,998,822'Semiconductor integrated circuit and a method of manufacturing the same'1999 5,943,279'Semiconductor memory integrated circuit'1999 5,859,466'Semiconductor device having a field-shield device isolation structure and method for making thereof'1999 5,717,643'Semiconductor memory device with testing function'1998 5,666,870'Press die set and press machine for driving it'1997 5,620,258'Press die set and press machine for driving it'1997 5,596,527'Electrically alterable n-bit per cell non-volatile memory with reference cells'1997 5,596,474'Power protection circuitry for a semiconductor integrated circuit'1997 5,459,685'Semiconductor memory device having memory cells with enhanced capacitor capacity'1995 5,450,341'Non-volatile semiconductor memory device having memory cells, each for at least three different data writable thereinto selectively and a method of using the same'1995 5,436,481'MOS-type semiconductor device and method of making the same'1995 5,424,978'Non-volatile semiconductor memory cell capable of storing more than two different data and method of using the same'1995 5,418,743'Method of writing into non-volatile semiconductor memory'1995 5,412,601'Non-volatile semiconductor memory device capable of storing multi-value data in each memory cell'1995 5,329,801'Press die set'1994 5,329,483'MOS semiconductor memory device'1994 5,329,335'Method and apparatus for projection exposure'1994 5,323,342'MOS memory device'1994 5,313,418'Semiconductor memory and memorizing method to read only semiconductor memory'1994 4,701,576'Electrical transmission line'1987 4,569,695'Method of cleaning a photo-mask'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1995Based in Tokyo, JP· patent location history

1987Patents assigned to JUNKOSHA CO LTD (1)· patent assignee history

1994–1997Patents assigned to NIPPON STEEL CORP (11)· patent assignee history

1994–1997Patents assigned to ENOMOTO CO LTD (3)· patent assignee history

1994–1997Based in Sagamihara, JP· patent location history

1994–1997Based in Yamanashi, JP· patent location history

1997–2001Based in Tateyama, JP· patent location history

1998–2001Patents assigned to NIPPON STEEL SEMICONDUCTOR (6)· patent assignee history

2015–2019Patents assigned to NIFCO INC (6)· patent assignee history

2018–2019Based in Yokosuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON STEEL CORP	11	1994–1997
NIFCO INC	6	2015–2019
NIPPON STEEL SEMICONDUCTOR	6	1998–2001
ENOMOTO CO LTD	3	1994–1997
JUNKOSHA CO LTD	1	1987

Locations

Location	Patents	Span
Tateyama, JP	8	1997–2001
Sagamihara, JP	6	1994–1997
Tokyo, JP	6	1986–1995
Yokosuka, JP	5	2018–2019
Yamanashi, JP	3	1994–1997