Location History:
- Chiyoda-machi, JP (1998)
- Ibaraki, JP (1988 - 1999)
- Ibaraki-ken, JP (1998 - 2001)
Company Filing History:
7 out of 42,485 
5 out of 1,267 
2 out of 2,333 
Years Active: 1988-2001
Title: Innovations of Hidefumi Ohtsuka
Introduction
Hidefumi Ohtsuka is a notable inventor based in Ibaraki-ken, Japan. He has made significant contributions to the field of image recording technology, holding a total of 9 patents. His work has been influential in advancing the capabilities of recording apparatuses.
Latest Patents
One of his latest inventions is an image recording apparatus designed for recording a two-color image on both surfaces of a continuous recording medium. This apparatus features a toner image recording portion that includes a toner carrier, which transfers a toner image onto the recording medium. It also incorporates a tractor for feeding the recording medium and a both-side fixing machine to fix the toner image. The design includes guide rollers that apply tension to the recording medium, allowing for a predetermined slack to absorb speed differences between the tractor and the fixing machine.
Another innovative patent involves a recording apparatus with a conveyed recording sheet heated by a movable heating belt. This heating belt is strategically laid along the conveying path of the recording medium. A halogen lamp is integrated into a belt drive roller to heat the belt, ensuring that the temperature is controlled at a predetermined level. This arrangement allows the conveying speed of the recording sheet to match the moving speed of the heating belt, enhancing the efficiency of the recording process.
Career Highlights
Hidefumi Ohtsuka has worked with prominent companies such as Hitachi, Ltd. and Hitachi Koki Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced recording technologies.
Collaborations
Throughout his career, Ohtsuka has collaborated with notable colleagues, including Isao Nakajima and Shuho Yokokawa. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Hidefumi Ohtsuka's contributions to image recording technology are significant, with multiple patents showcasing his innovative spirit. His work continues to influence the industry, demonstrating the importance of creativity and collaboration in technological advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.