Location History:
- Yokohana, JP (1999)
- Kanagawa, JP (1993 - 2015)
- Yokohama, JP (1991 - 2019)
Company Filing History:
38 out of 10,250 
4 out of 14 
2 out of 2,099 
Years Active: 1991-2019
Areas of Expertise:
Title: Innovations and Achievements of Tomoyuki Hattori in Optical Fiber Technology
Introduction: Tomoyuki Hattori, a remarkable inventor based in Yokohama, Japan, has made significant contributions to the field of optical fiber technology. With 40 patents to his name, Hattori has played a crucial role in advancing the performance and manufacturing processes of optical fibers.
Latest Patents: Among his notable innovations, Hattori's latest patents include a groundbreaking optical fiber and a method for producing it. This optical fiber features a primary coating layer and a secondary coating layer applied to the outer circumference of a bare optical fiber, which consists of a core and a cladding. The primary coating layer is designed with a Young's modulus ranging from 0.1 to 1.0 MPa, ensuring an optimal balance of flexibility and rigidity. It contains a photoinitiator with phosphorus at a concentration of 0.3 to 2.0 wt%, and polypropylene glycol with a weight-average molecular weight between 1000 and 5000. Additionally, he has developed a heat-resistant optical fiber that minimizes transmission loss even in high-temperature environments, featuring a coating layer made from an energy-curable resin composition that incorporates a silicon compound with specified structural components.
Career Highlights: Tomoyuki Hattori has had a distinguished career, holding key positions in prestigious companies, including Sumitomo Electric Industries, Limited and Sumiden Opcom, Ltd. His expertise in optical technology and fiber manufacturing has propelled the companies he worked for to new heights, thanks to his innovative approaches and designs.
Collaborations: Throughout his journey, Hattori has collaborated with notable individuals in the field, including Hiroshi Suganuma and Hiroaki Takimoto. These professional relationships have fostered a collaborative environment that has led to numerous breakthroughs and advancements in optical fiber technology.
Conclusion: Tomoyuki Hattori exemplifies the spirit of innovation through his extensive work in optical fibers. With his 40 patents, he has advanced the industry and set new standards in performance and production. His contributions continue to inspire future generations of inventors and researchers aiming for excellence in optical technologies.