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For the Inventor, By the Inventor

Ibaraki, Japan

Takeo Ohwada

This inventor holds 3 USPTO granted patents. Top assignee: Hitachi Chemical Company, Ltd.. Active years: 1990-1992.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Ibaraki, JP (1990 - 1991)
  • Tagagun, JP (1992)

Company Filing History:

goldMedal3 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents

Years Active: 1990-1992

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3 patents (USPTO):Explore Patents
1. 5109088 - Resin composition for cement (1992-04-28),
2. 5075404 - Concrete-protective material (1991-12-24),
3. 4923929 - Process for producing graft copolymer (1990-05-08),
Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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