This inventor holds 32 USPTO granted patents and 3 published patent applications, plus 5 CIPO patents and 4 EPO patents, primarily in Optical Devices. Top assignees: Sanyo Electric Co., Ltd., Sumitomo Electric Industries, Limited, Sumitomo Electric Device Innovations, Inc.. Active years: 1988-2026.
Location History:
- Yokosuka, JP (1989)
- Oota, JP (1989 - 1990)
- Gunma, JP (1990 - 1991)
- Ota, JP (1989 - 1998)
- Ohta, JP (2004)
- Kanagawa, JP (1988 - 2014)
- Yokohama, JP (2013 - 2017)
- Osaka, JP (2001 - 2024)
Company Filing History:
18 out of 8,782 
9 out of 10,627 
3 out of 349 Years Active: 1988-2026
Areas of Expertise:
Title: Tsutomu Ishikawa: Pioneering Inventor from Yokohama
Introduction: Tsutomu Ishikawa is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.
Latest Patents: Tsutomu Ishikawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.
Career Highlights: With a career spanning over two decades, Ishikawa has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.
Collaborations: Throughout his career, Tsutomu Ishikawa has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.
Conclusion: Tsutomu Ishikawa's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a trailblazer in the world of inventions.