Inventor

Kazuyoshi Sugai

Inventor

Tokyo, JP

Overview

1985–2001

Patent span

Electricity

Primary field (CPC H)

Patents· 11 as inventor

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

H03Hprimary

H03HImpedance networks, e.g. resonant circuits77%

G06GAnalogue computers15%

H04BTransmission8%

PatentTitleYear

6,222,300'Communication system using a surface acoustic wave-matched filter'2001 5,281,882'Surface acoustic wave element'1994 5,200,664'Surface acoustic wave device'1993 5,196,720'Narrow band interference signal removing device'1993 5,111,100'Surface acoustic wave device and method for fabricating same'1992 5,075,652'Wide band surface acoustic wave filter having constant thickness piezoelectric layer and divergent transducers'1991 5,030,930'Surface-acoustic-wave convolver'1991 5,028,101'Surface-acoustic-wave device and notch filter device having a plurality of diode array channels'1991 4,879,487'Surface-acoustic-wave device'1989 4,516,049'Multi-layer acoustic surface wave device having minimal delay time temperature coefficient'1985 4,511,816'Surface acoustic wave device using an elastic substrate and an aluminum nitride piezoelectric film'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2001Patents assigned to TSUBOCHI KAZUO (3)· patent assignee history

1985Patents assigned to MIKOSHIBA NOBUO (2)· patent assignee history

1985Based in Sendai, JP· patent location history

1989–1994Patents assigned to CLARION CO LTD (8)· patent assignee history

1989–1994Based in Tokyo, JP· patent location history

2001Based in Kooriyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CLARION CO LTD	8	1989–1994
TSUBOCHI KAZUO	3	1985–2001
MIKOSHIBA NOBUO	2	1985

Locations

Location	Patents	Span
Tokyo, JP	8	1989–1994
Sendai, JP	2	1985
Kooriyama, JP	1	2001