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Inventor

Kouichi Ikai

Inventor
Hiratsuka, JP

Overview

2→
Patents
1997–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C01Pprimary
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds29%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients29%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties29%
C08LCompositions of macromolecular compounds14%
PatentTitleYear
5,883,179'Rubber composition comprising carbon black surface treated with silica'19995,679,728'Surface-treated carbon black and rubber composition containing same'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1999Patents assigned to YOKOHAMA RUBBER CO LTD (2)· patent assignee history
1997Based in Hiratuska, JP· patent location history
1999Based in Hiratsuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YOKOHAMA RUBBER CO LTD21997–1999
Locations
LocationPatentsSpan
Hiratsuka, JP11999
Hiratuska, JP11997