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For the Inventor, By the Inventor

Tsuchiura, Japan

Kyoji Kaeriyama

USPTO Granted Patents = 13

Average Co-Inventor Count = 3.0

ph-index = 6

Forward Citations = 104(Granted Patents)


Location History:

  • Tsuchiurashi, JP (1988)
  • Tsukuba, JP (1990 - 1992)
  • Tsuchiura, JP (1987 - 1995)

Company Filing History:

goldMedal8 out of 1,037 
 
Agency of Industrial Science and Technology
 patents
silverMedal7 out of 348 
 
Ministry of International Trade & Industry
 patents
bronzeMedal3 out of 172 
 
Agency of Industrial Science and Technology Ministry of International
 patents
4. 1 out of 3 
 
Japan, As Represented by Director General of Agency of Industrial
 patents
5. 1 out of 386 
 
Toda Kogyo Corporation
 patents
6. 1 out of 73 
 
Japan As Represented by Director General of Agency of Industrial Science
 patents
where one patent can have more than one assignee

Years Active: 1987-1995

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13 patents (USPTO):
1. 5408011 - Poly(benzoic acid), method for the preparation thereof and method for (1995-04-18),
2. 5312874 - Poly(benxoic acid), method for the preparation thereof and method for (1994-05-17),
3. 5264191 - Quaternary ammonium trihalide and method for dissolution of metal with (1993-11-23),
4. 5139752 - Method for extraction of gold and silver from ore with a solution (1992-08-18),
5. 5120523 - Method for dissolution of metal (1992-06-09),
6. 5110504 - Low frequency nonlinear electric material and method for generation of (1992-05-05),
7. 4981886 - Method for production of colored macromolecular polymer (1991-01-01),
8. 4919716 - Method for dissolution of metal (1990-04-24),
9. 4892678 - Thiophene derivative polymer and a polymer composition thereof (1990-01-09),
10. 4877852 - Thiophene derivative polymer and a polymer composition thereof (1989-10-31),
11. 4792645 - Process for producing electroconductive fibrous shaped-articles (1988-12-20),
12. 4737557 - 3-N-higher alkylthiophene polymer and composition thereof (1988-04-12),
13. 4691005 - Thiophene derivative polymer, polymer composition, and methods for (1987-09-01),

Title: Kyoji Kaeriyama: Innovator in Polymeric Compounds

Introduction

Kyoji Kaeriyama is a prominent inventor based in Tsuchiura, Japan. He has made significant contributions to the field of polymer chemistry, particularly with his innovative work on poly(benzoic acid). With a total of 13 patents to his name, Kaeriyama has established himself as a key figure in the development of novel polymeric materials.

Latest Patents

One of Kaeriyama's latest patents involves the preparation of poly(benzoic acid), a linear polymer characterized by 1,4-phenylene linkages, where each phenylene group contains a carboxyl group. This polymer can be synthesized by hydrolyzing a poly(alkyl benzoate) in the presence of either an acid or alkali. Furthermore, the resulting poly(benzoic acid) can be transformed into poly(p-phenylene) through a decarbonation reaction in an organic solvent, such as quinoline, using metallic copper dust or copper (II) compounds like copper (II) oxide and copper (II) carbonate hydroxide.

Career Highlights

Throughout his career, Kyoji Kaeriyama has worked with notable organizations, including the Agency of Industrial Science and Technology and the Ministry of International Trade and Industry. His work has significantly impacted the field of polymer science, leading to advancements in material applications.

Collaborations

Kaeriyama has collaborated with esteemed colleagues such as Susumu Tanaka and Yoshio Suda, contributing to various research projects and innovations in polymer chemistry.

Conclusion

Kyoji Kaeriyama's contributions to the field of polymeric compounds, particularly through his work on poly(benzoic acid), highlight his role as a leading inventor in Japan. His innovative approaches and collaborations have paved the way for advancements in polymer science.

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