Inventor
Michio Maruki
Inventor
Anjo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals30%
F16HGearing20%
B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls10%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels10%
F16CShafts10%
F16DCouplings for transmitting rotation10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
6,379,479'Steel member surface treatment method'20025,961,751'Surface processing method for a steel member and surface processed steel member'19995,934,126'Internally toothed member and method and apparatus for forming the same'19995,840,136'Temperature-raising bainite forming process'19985,788,034'Lockup clutch for a torque converter and method of thermally treating a lockup clutch piston'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2002Patents assigned to AISIN AW CO (5)· patent assignee history
1998–2002Based in Anjo, JP· patent location history
1998–1999Based in Kariya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AISIN AW CO | 5 | 1998–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Anjo, JP | 3 | 1998–2002 |
| Kariya, JP | 2 | 1998–1999 |