LexDanaLexDanabeta
Inventor

Masamoto Akeyama

Inventor
Kokubunji, JP

Overview

3→
Patents
1980–1984
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices33%
B23PMetal-working not otherwise provided for17%
H01JElectric discharge tubes or discharge lamps17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
4,480,910'Pattern forming apparatus'19844,396,705'Pattern forming method and pattern forming apparatus using exposures in a liquid'19834,200,217'Method of manufacturing an article having a press-worked member inwardly of a cylindrical member'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1984Patents assigned to HITACHI LTD (3)· patent assignee history
1980–1984Based in Kokubunji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31980–1984
Locations
LocationPatentsSpan
Kokubunji, JP31980–1984