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Inventor

Ryoji Okutsu

Inventor
Kariya, Aichi-pref., JP

Overview

4→
Patents
1998–2001
Patent span
LOC
Primary field

Patents· 4 as inventor

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

LOC23primary
LOC2360%
F16KValves20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
6,286,550'Valve apparatus'2001D0421791'Double-seated control valve plug'2000D0403052'Yoke of valve'1998D0403049'Double-seated control valve'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Patents assigned to YAMATAKE HONEYWELL CO LTD (3)· patent assignee history
1998–2000Based in Kariya, Aichi-pref., JP· patent location history
2001Patents assigned to YAMATAKE CORP (1)· patent assignee history
2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMATAKE HONEYWELL CO LTD31998–2000
YAMATAKE CORP12001
Locations
LocationPatentsSpan
Kariya, Aichi-pref., JP31998–2000
Tokyo, JP12001