LexDanaLexDanabeta
Inventor

Shoichiro Ito

Inventor
Toki, JP

Overview

5→
Patents
1980–2003
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H01Tprimary
H01TSpark gaps50%
LOCD133%
F02BInternal-combustion piston engines17%
PatentTitleYear
6,617,706'Ignition system'20036,472,801'Spark plug with a corrosion impeding layer'20026,326,720'Spark plug and ignition system for use with internal combustion engine'2001D0254913'Fountain pen nib'1980D0254912'Fountain pen'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to PILOT PEN CO LTD (2)· patent assignee history
1980Based in Hatano, JP· patent location history
2001–2003Patents assigned to NGK SPARK PLUG CO (3)· patent assignee history
2001Based in Gifui, JP· patent location history
2002–2003Based in Toki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NGK SPARK PLUG CO32001–2003
PILOT PEN CO LTD21980
Locations
LocationPatentsSpan
Toki, JP22002–2003
Hatano, JP21980
Gifui, JP12001