This inventor holds 8 USPTO granted patents and 7 published patent applications. Top assignees: Hitachi High-Tech Corporation, Hitachi-High-Technologies Corporation, Hitachi, Ltd.. Active years: 2006-2026.
Location History:
- Kokubunji, JP (2009)
- Tokyo, JP (2006 - 2021)
Company Filing History:



Years Active: 2006-2026
Title: Masako Ishimaru: Innovator in Cell Detection Technology
Introduction
Masako Ishimaru is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of cell detection technology, holding a total of 8 patents. Her innovative work focuses on enhancing detection sensitivity for microbes, which has important implications in various scientific and medical applications.
Latest Patents
One of her latest patents is a cell detection device and method that improves detection sensitivity for microbes using the ATP method while reducing the detection period. This device includes a sealing container with a culture portion for containing a culture medium, a sealable specimen introducing portion, and a luminescent reagent portion that emits light upon contact with the culture medium. The device also features a contact mechanism that controls the interaction between the culture medium and the luminescent reagent, a photodetector for detecting luminescence, and a calculation unit that determines cell proliferation based on changes in luminescent quantity over time.
Another notable patent is a separation column connection device, which comprises a column holder for retaining a separation column, fitting holders for connecting to upstream and downstream seal portions, and a driver for moving the fitting holders. This innovative design enhances the efficiency of separation processes in analytical systems.
Career Highlights
Masako has worked with leading companies such as Hitachi High-Technologies Corporation and Hitachi, Ltd. Her experience in these organizations has allowed her to develop and refine her inventions, contributing to advancements in technology and research.
Collaborations
Throughout her career, Masako has collaborated with notable colleagues, including Hideki Hasegawa and Masuyuki Sugiyama. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Masako Ishimaru's contributions to cell detection technology exemplify her dedication to innovation and scientific advancement. Her patents reflect her commitment to improving detection methods, which can have a lasting impact on various fields.