Location History:
- Tokyo-To, JP (2002)
- Shinjuku-Ku, JP (2004)
Company Filing History:
Years Active: 2002-2004
Title: **Innovations of Wataru Ohyama: A Pioneer in Thermal Transfer Technology**
Introduction
Wataru Ohyama, an inventive mind hailing from Shinjuku-ku, Japan, has made significant contributions to the field of imaging technologies. With two patents to his name, Ohyama exemplifies the spirit of innovation that drives advancements in various industries. His work is particularly recognized for its impact on the production of thermal transfer image-receiving sheets, essential in various printing applications.
Latest Patents
Ohyama's latest invention, titled *Thermal transfer image-receiving sheet and process for producing the same*, showcases his prowess in developing advanced imaging solutions. This patent describes a thermal transfer image-receiving sheet which consists of a seal part including a receptive layer, a substrate, and a pressure-sensitive adhesive layer, all laminated in sequence. The invention also features a release sheet that adheres to the pressure-sensitive adhesive layer of the seal part.
One of the key innovations in this patent is the incorporation of a half cut in the seal part, facilitating easy separation from the release sheet. The groove width of this half cut is ideally maintained between 25 to 60 µm. The adhesion between the seal part and the release sheet is designed to provide continuous and slight changes in peel strength when separated, measured in accordance with JIS Z0237-8.3.1 using the 180 Degrees Peeling Method. The slight changes in peel strength are preferably within the range of 1 to 10 g/cm, with an average peel strength ranging from 10 to 75 g/cm.
Career Highlights
Wataru Ohyama is associated with Dai Nippon Printing Co., Ltd., a prominent company specializing in printing technologies. At Dai Nippon Printing, Ohyama has played a significant role in enhancing the capabilities of thermal transfer printing, pushing the boundaries of what is possible in image reproduction.
Collaborations
During his career, Ohyama has collaborated with notable coworkers, including Kiyomaro Mihara and Kenji Tsuda. Their joint efforts in research and development have led to notable advancements in thermal transfer technologies, further solidifying Ohyama's reputation as an innovator in the field.
Conclusion
Wataru Ohyama's contributions to thermal transfer technology demonstrate the importance of innovation in the printing industry. His patents not only enhance the functionality of thermal transfer image-receiving sheets but also pave the way for future advancements. With a commitment to pushing technological boundaries, Ohyama continues to inspire future generations of inventors and innovators in Japan and beyond.