Hisamitsu Kamezaki is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of optical data recording, holding a total of 5 patents. His innovative work has paved the way for advancements in data storage technologies.

Latest Patents

Kamezaki's latest patents include an optical data recording medium and a manufacturing method thereof. This invention features a transparent substrate where the side wall of a recess connects to a land surface via a curved surface. The data recording portion utilizes a dye material placed only in the recesses of a pre-formatted pattern, allowing for a reflective layer to be formed on both the data recording portion and the exposed land area. This medium achieves a reflectivity of not less than 65% during reproduction, significantly reducing manufacturing costs.

Another notable patent is the manufacturing apparatus and method for the recording medium. This apparatus includes a turntable that supports the substrate and a nozzle for applying a coating liquid. The design minimizes convection currents and solvent evaporation, ensuring a controlled application of the coating liquid in a hermetically sealed atmosphere.

Career Highlights

Kamezaki is currently associated with Hitachi Maxell, Limited, where he continues to innovate in optical data recording technologies. His work has been instrumental in enhancing the efficiency and effectiveness of data storage solutions.

Collaborations

He has collaborated with notable coworkers such as Osamu Saito and Masashi Suenaga, contributing to the advancement of their shared field.

Conclusion

Hisamitsu Kamezaki's contributions to optical data recording technology exemplify the spirit of innovation. His patents reflect a commitment to improving data storage methods, making a lasting impact on the industry.

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