Inventor

Ryoichi Nakayama

Inventor

Ehime, JP

Overview

1984–2008

Patent span

Performing operations

Primary field (CPC B)

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

B03Dprimary

B03DFlotation15%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges15%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%

B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls8%

B62DMotor vehicles8%

B66BElevators8%

C02FTreatment of water, waste water, sewage, or sludge8%

C22BProduction and refining of metals8%

H01RElectrically-conductive connections8%

Y02PClimate change mitigation technologies in the production or processing of goods8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to NAKAYAMA RYOICHI (1)· patent assignee history

1997–2008Patents assigned to SUMITOMO METAL MINING CO (3)· patent assignee history

1997Based in Saijo, JP· patent location history

1998–2002Patents assigned to NISSAN MOTOR (2)· patent assignee history

1998Patents assigned to MINEBEA KK (1)· patent assignee history

1998Based in Yokohama, JP· patent location history

2001Based in Niihama, JP· patent location history

2002Patents assigned to FUSE RASHI CO LTD (1)· patent assignee history

2002Based in Ibaraki, JP· patent location history

2008Based in Ehime, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations