Minoru Ichijo

Title: Minoru Ichijo: Battery and Optical Recording Innovations.

Introduction

Minoru Ichijo is an inventor associated with Ibaraki, Japan. His work includes inventions in battery technology and optical information recording. He is credited with 4 patents.

Latest Patents

One of Ichijo’s latest patents concerns a button-type alkaline battery and its method of manufacture. The design uses mercury-free zinc or a mercury-free zinc alloy as the anode active material. It also places a metal layer between and in contact with the anode sealing member and the anode. The layer has a zinc-containing base material in which indium, bismuth, or tin is segregated.

Another patent concerns an optical information recording medium and its production. It describes a medium with a recording or reflecting film on a substrate and a plasma-polymerized film made from a halogen-containing resin on at least one surface. The design may also include an additional ultraviolet-curing film on specified surfaces or around the substrate and protective film.

Career Highlights

Ichijo’s listed company affiliations include Hitachi Maxell, Limited, and Hitachi Maxwell, Ltd. His patent work spans electrochemical energy storage and protective films for optical recording media.

Collaborations

Fumio Kokai and Kunio Wakai are listed as Ichijo’s coworkers, reflecting professional connections in his inventive work.

Conclusion

Minoru Ichijo’s patents address practical improvements in mercury-free button batteries and optical information recording media, illustrating the range of his technical contributions.