Inventor

Yutaka Nagayama

Inventor

Kishiwada, JP

Overview

1978–2012

Patent span

Mechanical engineering

Primary field (CPC F)

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

F16Bprimary

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges52%

B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels10%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing3%

A63FCard, board, or roulette games3%

B62KCycles3%

B62MRider propulsion of wheeled vehicles or sledges3%

C10MLubricating compositions3%

G06NComputing arrangements based on specific computational models3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1978–2008Patents assigned to NAGAYAMA DENSHI KOGYO KK (14)· patent assignee history

1978–2012Based in Kishiwada, JP· patent location history

1993–2012Patents assigned to NAGAYAMA YUTAKA (2)· patent assignee history

1993–1999Based in Osaka, JP· patent location history

2004Patents assigned to HUDSON CO LTD (1)· patent assignee history

2004Based in Hokkaido, JP· patent location history

2008Patents assigned to NIGAYAMA ELECTRIC CO LTD (1)· patent assignee history

2010–2012Patents assigned to NAGAYAMA ELECTRIC CO LTD (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations