Since 1987, IWAHASHI & ASSOCIATES has long-standing experience in representing national and international clients both in prosecution and resolving infringement cases of intellectual property.

IWAHASHI & ASSOCIATE IS

founded in 1987 in Tokyo

Moved to Yokohama in 1991

Moved to current address in 2015

Became a Patent Attorney Corporation in 2024

[Attorneys]

Yuji Iwahashi 岩橋　祐司 (Reg. No.; 9290)

Japanese Patent Attorney, Partner of the firm
Studied Agricultural Chemistry at Chiba University.

Worked at a develop division of a food company, and as a patent engineer of a Tokyo based patent firm

Founded IWAHASHI & ASSOCIATES in 1987

Food, chemicals, pharmaceuticals, analytical equipment, surface treatment, and trade-mark

Shinji Kato 加藤　愼二 (Reg. No.; 18826)

     Japanese Patent Attorney, Partner of the firm
     Studied Engineering at Nagoya University.

Worked as a Machine Designer in a steel company and a patent engineer in a Tokyo based patent firm

     Joined IWAHASHI & ASSOCIATES in 2008

Analytical equipment, precision measuring instruments, lighting equipment, surface treatment, and design patent

Yoshihiro Nagare 流　良広 (Reg. No.: 10773)

     Japanese Patent Attorney

     Studied at Tokyo University of Science

Worked in a medical-related business, and a patent attorney in a Tokyo based patent firm

     Joined IWAHASHI & ASSOCIATES in 2023

     Chemistry and analytical equipment