Inventor
Kazuo Nagayama
Inventor
Hitachinaka, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines35%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines35%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof15%
Y10TTechnical subjects covered by former us classification15%
PatentTitleYear
RE042940'Air flow rate control apparatus'20117,458,360'Motor driving type throttle apparatus'20087,284,535'Motor driving type throttle apparatus'20077,185,629'Motor driving type throttle apparatus'2007RE039257'Air flow rate control apparatus'20067,028,666'Throttle apparatus for an engine'20067,013,870'Throttle apparatus for an engine'20066,725,833'Electronically controlled throttle device'20046,598,587'Throttle apparatus for an engine'20036,341,593'Throttle apparatus for an engine'20026,067,958'Throttle apparatus for an engine'20005,868,114'Air flow rate control apparatus'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2011Patents assigned to HITACHI CAR ENG CO LTD (12)· patent assignee history
1999–2011Patents assigned to HITACHI LTD (7)· patent assignee history
1999–2011Based in Hitachinaka, JP· patent location history
2006Based in Ibaraki, JP· patent location history
2007Based in Tokyo, JP· patent location history
2011Patents assigned to AOKI SADAYUKI (1)· patent assignee history
2011Patents assigned to KAMIMURA YASUHIRO (1)· patent assignee history
2011Patents assigned to NAGAYAMA KAZUO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI CAR ENG CO LTD | 12 | 1999–2011 |
| HITACHI LTD | 7 | 1999–2011 |
| AOKI SADAYUKI | 1 | 2011 |
| KAMIMURA YASUHIRO | 1 | 2011 |
| NAGAYAMA KAZUOself | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 10 | 1999–2011 |
| Tokyo, JP | 1 | 2007 |
| Ibaraki, JP | 1 | 2006 |