This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., The Yokohama Rubber Co., Ltd.. Active years: 1991-1992.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 42,731 
2 out of 2,770 
Years Active: 1991-1992
Title: Innovations of Tatsuo Isahai
Introduction
Tatsuo Isahai is a notable inventor based in Takasaki, Japan. He has made significant contributions to the field of materials science, particularly through his innovative patents. With a total of 2 patents, Isahai has demonstrated his expertise and creativity in developing new technologies.
Latest Patents
One of his latest patents is a laminate having an indicator function. This laminate comprises an inner layer containing an acid/base indicator and an outer layer that does not contain any acid/base indicator. The inner layer is capable of undergoing a color change upon contact with an acid or an alkali, making it a valuable tool for various applications.
Career Highlights
Throughout his career, Tatsuo Isahai has worked with prominent companies such as The Yokohama Rubber Co., Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in technology.
Collaborations
Isahai has collaborated with notable coworkers, including Morihisa Machida and Yoshio Tajima. These partnerships have likely enriched his work and led to innovative solutions in his field.
Conclusion
Tatsuo Isahai's contributions to innovation through his patents and collaborations highlight his importance in the field of materials science. His work continues to influence advancements in technology and materials.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile