This inventor holds 5 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 2 EPO patents. Top assignees: Prime Polymer Co., Ltd., Idemitsu Petrochemical Co., Ltd., Mitsui Chemicals, Inc.. Active years: 1999-2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 52 
2 out of 555 
1 out of 1,816 Years Active: 1999-2019
Title: Rikuo Onishi: Innovator in Propylene-Related Technologies
Introduction
Rikuo Onishi, an accomplished inventor based in Ichihara, Japan, has made notable contributions to the field of polymer science. With a total of five patents to his name, Onishi specializes in innovative solutions involving propylene polymers and their applications in manufacturing stress-resistant molded articles.
Latest Patents
Onishi's recent patents include a propylene homopolymer designed for stress-resistant molded articles. This invention is significant for industries requiring materials that endure prolonged stress, such as automotive, housing, and home appliance sectors. The propylene homopolymer meets specific criteria: it features a weight average molecular weight to number average molecular weight ratio within the range of 1.2 to 3.5, a number average molecular weight between 35,000 to 400,000, and a maximum of 4 wt% of components soluble in o-dichlorobenzene at 90°C. Furthermore, he developed a carbon fiber-reinforced resin composition that combines polyolefin resin and acid-modified polyolefin resin with modified carbon fibers, ensuring improved performance and durability for industrial applications.
Career Highlights
Rikuo Onishi has worked with distinguished companies such as Prime Polymer Co., Ltd. and Idemitsu Petrochemical Co., Ltd., where he has applied his expertise in polymer technology. His over a decade of experience in the field has led to innovations that contribute to advancing material science and industrial applications.
Collaborations
Throughout his career, Onishi has collaborated with notable coworkers, including Masayuki Tsuruoka and Hideo Kusuyama. These partnerships have been instrumental in fostering innovation and the development of new materials and technologies that address the evolving needs of various industries.
Conclusion
Rikuo Onishi stands out as a significant inventor in the field of propylene polymers and their applications. His commitment to innovation and collaboration continues to influence advancements in durable materials, ultimately benefiting manufacturers and consumers alike. With a focus on stress-resistant solutions, Onishi's work exemplifies the importance of innovation in addressing industry challenges.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile