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Hidetake Ishikawa

This inventor holds 4 USPTO granted patents. Top assignees: Nippon Steel Corporation, Japan Metals & Chemicals Co., Ltd.. Active years: 1977-1987.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 5.1

ph-index = 3

Forward Citations = 20(Granted Patents)

Location History:

Kitakyushu, JA (1977)
Fukuoka, JP (1983)
Fukuokaken, JP (1986)
Kitakyusyushi, JP (1987)

Company Filing History:

Nippon Steel Corporation

Japan Metals & Chemicals Co., Ltd.

where one patent can have more than one assignee

Years Active: 1977-1987

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4662937 - Process for production of high-manganese iron alloy by smelting reduction (1987-05-05),

2. 4565574 - Process for production of high-chromium alloy by smelting reduction (1986-01-21),

3. 4410360 - Process for producing high chromium steel (1983-10-18),

4. 4008104 - Method for dephosphorization and denitrification of an alloy containing (1977-02-15),

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