Company Filing History:

6 out of 1,233

Tokyo Ohka Kogyo Co., Ltd.

patents

Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology

5. 1 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 2006-2018

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8 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 10160949 - Agent for improving sperm-motility (2018-12-25),

2. 9862695 - Monomer having N-acyl carbamoyl group and lactone skeleton, and polymeric compound (2018-01-09),

3. 9499646 - Negative resist composition, method of forming resist pattern and complex (2016-11-22),

4. 9366960 - Negative resist composition, method of forming resist pattern, and complex (2016-06-14),

5. 9354244 - Method for evaluating human blastocyst by norepinephrine level in blastocyst culture solution (2016-05-31),

6. 9341947 - Resist composition and method of forming resist pattern (2016-05-17),

7. 7785768 - Thermoacid generator for antireflection film formation, composition for antireflection film formation, and antireflection film made therefrom (2010-08-31),

8. 7153355 - Coating solution for forming silica film (2006-12-26),

Title: Naoki Yamashita: Pioneering Innovations in Sperm Motility

Introduction

Naoki Yamashita is an accomplished inventor based in Kawasaki, Japan, recognized for his significant contributions to the field of biomedicine. With a portfolio of 8 patents, Yamashita's work primarily focuses on improving male fertility, particularly in enhancing sperm motility.

Latest Patents

One of Yamashita's latest patents addresses the problem of providing an agent for improving sperm motility. This innovative agent aims to enhance forward sperm motility, specifically for reduced-motility sperm in male infertility treatments. The agent can be a gaseous compound consisting of hydrogen molecules at 1% (v/v) or higher, with specific formulations containing between 45% and 55% (v/v) of hydrogen. Alternatively, he developed a liquid agent containing hydrogen molecules dissolved in physiological saline, culture solutions, or buffer solutions.

Another notable patent by Yamashita reveals a unique monomer that features an N-acylcarbamoyl group and a lactone skeleton. This monomer displays various structural configurations and can play a crucial role in the development of advanced polymer materials.

Career Highlights

Naoki Yamashita has made significant strides in his career while working with notable companies such as Tokyo Ohka Kogyo Co., Ltd. His extensive research and inventive spirit have led to the successful patenting of groundbreaking technologies that influence the landscape of fertility treatments.

Collaborations

Throughout his career, Yamashita has collaborated with esteemed professionals, including Yoshitaka Komuro and Yoshiyuki Utsumi. These partnerships have enhanced the scope of his research and led to significant advancements in his field of expertise.

Conclusion

Naoki Yamashita's innovative patents and extensive collaboration have positioned him as a key figure in the biomedical sector, particularly in addressing male infertility. His commitment to improving human health through innovative solutions reflects the spirit of modern invention and underscores the importance of continuous research and collaboration in driving progress.

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