Company Filing History:

16 out of 1,641

Hitachi Chemical Company, Ltd.

patents

Hitachi Chemical Company, Co.

patents

where one patent can have more than one assignee

Years Active: 1991-2001

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6248501 - Photosensitive resin composition, photosensitive film and process for preparing fluorescent pattern using the same (2001-06-19),

2. 6077647 - Photosensitive resin composition, photosensitive film and process for (2000-06-20),

3. 5858616 - Photosensitive resin composition, photosensitive film and process for (1999-01-12),

4. 5773508 - Coating varnish composition and antifouling coating composition (1998-06-30),

5. 5646198 - Coating composition and antifouling paint (1997-07-08),

6. 5484685 - Naphthalocyanine derivatives, production thereof, optical recording (1996-01-16),

7. 5439512 - Resin composition and antifouling paint (1995-08-08),

8. 5439511 - Coating varnish composition and antifouling coating composition (1995-08-08),

9. 5284943 - Tatraazaporphin, process for producing the same, as well as optical (1994-02-08),

10. 5242917 - Tetracarboxylic acid dianhydride having disiloxane linkage and process (1993-09-07),

11. 5217856 - Tetraazaporphin, process for producing the same, as well as optical (1993-06-08),

12. 5214188 - 2,3-dicyanonaphthalene derivatives (1993-05-25),

13. 5166363 - Process for producing 1,3-bis(dicarboxyphenyl)-disiloxane derivative or (1992-11-24),

14. 5110968 - Naphthalocyanine derivatives, production thereof, optical recording (1992-05-05),

15. 5075203 - Naphthalocyanine derivatives, production thereof and optical recording (1991-12-24),

Title: The Innovations of Koichi Kamijima

Introduction

Koichi Kamijima is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of materials science, particularly in the development of photosensitive materials. With a total of 17 patents to his name, Kamijima has established himself as a key figure in innovation.

Latest Patents

His latest patents include a photosensitive resin composition and a photosensitive film, along with a process for preparing fluorescent patterns using these materials. These inventions are crucial for various applications in electronics and imaging technologies.

Career Highlights

Throughout his career, Kamijima has worked with notable companies such as Hitachi Chemical Company, Ltd. and Hitachi, Ltd. His work has been instrumental in advancing the capabilities of photosensitive materials, which are essential in modern technology.

Collaborations

Kamijima has collaborated with esteemed colleagues, including Seiji Tai and Nobuyuki Hayashi, to further enhance his research and development efforts.

Conclusion

Koichi Kamijima's contributions to the field of materials science and his innovative patents have had a lasting impact on technology. His work continues to inspire future advancements in the industry.

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