LexDanaLexDanabeta
Inventor

Katsuhiko Kan

Inventor
Tokyo, JP

Overview

4→
Patents
1993–2004
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A24Bprimary
A24BManufacture or preparation of tobacco for smoking or chewing33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
A24CMachines for making cigars or cigarettes11%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents11%
B07CPostal sorting11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
PatentTitleYear
6,761,175'Sheet tobacco'20046,637,598'Foreign substance eliminating apparatus'20036,158,440'Swollen tobacco material manufacturing method'20005,251,648'Method for plumping and moisture regulating cut tobacco'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2004Patents assigned to JAPAN TOBACCO INC (4)· patent assignee history
1993Based in Hiratsuka, JP· patent location history
2000Based in Yokohama, JP· patent location history
2003–2004Based in Tokyo, JP· patent location history
2004Patents assigned to JAPAN VILENE CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN TOBACCO INC41993–2004
JAPAN VILENE CO LTD12004
Locations
LocationPatentsSpan
Tokyo, JP22003–2004
Yokohama, JP12000
Hiratsuka, JP11993