This inventor holds 4 USPTO granted patents. Top assignees: Hitachi Maxell, Limited, Nitto-Denko Corporation. Active years: 1980-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Suita, JP (1980 - 1982)
- Osaka, JP (1984 - 1996)
Company Filing History:
4 out of 1,112 
1 out of 3,953 
Years Active: 1980-1996
Title: Osamu Ishida: Innovator in Battery Technology
Introduction
Osamu Ishida is a prominent inventor based in Osaka, Japan, known for his contributions to battery technology. With a total of four patents to his name, Ishida has made significant advancements in the field of alkaline secondary batteries.
Latest Patents
Ishida's latest patents include a process for producing a wind-type alkaline secondary battery. This innovative battery features a negative electrode made from cadmium, zinc, iron, or their oxides, along with a positive electrode comprising a metal oxide or metal hydroxide. The separator used in this battery is crafted from a polyolefin fiber sheet, which demonstrates a wicking rate of at least 10 mm per 2 minutes when immersed in pure water at 20°C and 60% relative humidity. This design ensures chemical stability and hydrophilic properties, allowing for high electrode utilization even during rapid discharging, while also providing a sufficient cycle life.
Another notable patent involves a cell with a gasket made from a synthetic resin composition containing glass beads. This gasket is strategically placed between the positive can and the negative collector to prevent liquid leakage from the cell. The incorporation of glass beads significantly enhances the leak-proof properties of the cell.
Career Highlights
Throughout his career, Osamu Ishida has worked with reputable companies such as Hitachi Maxell, Limited and Nitto Denko Corporation. His experience in these organizations has contributed to his expertise in battery technology and innovation.
Collaborations
Ishida has collaborated with notable coworkers, including Yoshio Uetani and Seiichi Matsushima, further enriching his work in the field.
Conclusion
Osamu Ishida's contributions to battery technology, particularly in alkaline secondary batteries, highlight his innovative spirit and dedication to advancing energy solutions. His patents reflect a commitment to improving the efficiency and reliability of battery systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile