Company Filing History:

4 out of 163

Nippon Chemical Industrial Co., Ltd.

patents

2 out of 2

Koizumi Chemical Co., Ltd.

patents

2 out of 2

Chiyoda Shoji Co., Ltd.

patents

4. 1 out of 1

Nippon Chemical Industrial

patent

5. 1 out of 33,404

Seiko Epson Corporation

patents

where one patent can have more than one assignee

Years Active: 1992-1997

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5695528 - Treating agent for cellulosic textile material and process for treating (1997-12-09),

2. 5663419 - Bifunctional alkyl phosphine oxide and production method thereof (1997-09-02),

3. 5536880 - Monoalkylphosphine and method of producing the same (1996-07-16),

4. 5520910 - Antimicrobial polymer, contact lens and contact lens-care articles (1996-05-28),

5. 5147409 - Agent and method for treating wool fibers wherein the agent is (1992-09-15),

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.

For the Inventor, By the Inventor

Seiji Shimura

Company Filing History:

Years Active: 1992-1997