Koichi Okamoto

This inventor holds 9 USPTO granted patents and 3 published patent applications. Top assignees: Screen Holdings Co., Ltd., Nichia Corporation, Stanley Electric Co., Ltd. Active years: 2003-2025.

USPTO Granted Patents = 9 (Patent Applications = 3)

% Patents Active = 66.7

Average Co-Inventor Count = 4.3

ph-index = 2

Forward Citations = 51(Granted Patents)

Location History:

Pasadena, CA (US) (2005 - 2008)
Fukuoka, JP (2013 - 2014)
Kyoto, JP (2003 - 2024)

Company Filing History:

4 out of 1,123

Screen Holdings Co., Ltd.

Stanley Electric Co., Ltd

patents

4. 1 out of 4,622

California Institute of Technology

patents

5. 3 out of 834,307

Other

patents

where one patent can have more than one assignee

Years Active: 2003-2025

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12337289 - Chemical liquid preparation device, and substrate processing device (2025-06-24),

2. 12064739 - Chemical liquid preparation device, and substrate processing device (2024-08-20),

3. 11439967 - Chemical liquid preparation method, chemical liquid preparation device, and substrate processing device (2022-09-13),

4. 10335837 - Substrate processing apparatus (2019-07-02),

5. 8717563 - Light scattering type particle detector using scattered light of surface plasmon resonance photons (2014-05-06),

6. 8564186 - Light source apparatus having a solid light source element and a phosphor (2013-10-22),

7. 7348600 - Nitride semiconductor device, and its fabrication process (2008-03-25),

8. 6876009 - Nitride semiconductor device and a process of manufacturing the same (2005-04-05),

9. 6629762 - Electric field sensor using liquid crystal and three-dimensional movie player/recorder using the same (2003-10-07),

Title: Koichi Okamoto: Innovator in Chemical Liquid Preparation

Introduction

Koichi Okamoto is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of chemical liquid preparation, holding a total of 9 patents. His work focuses on developing methods and devices that enhance the efficiency and effectiveness of chemical processes.

Latest Patents

Okamoto's latest patents include a chemical liquid preparation device and a substrate processing device. The chemical liquid preparation method involves preparing a TMAH-containing chemical liquid. This method includes several steps: a correspondence relationship preparing step, a concentration setting step, a supply-flow-rate-ratio acquiring step, and a gas supplying step. Each step is designed to ensure that the dissolved oxygen concentration in the TMAH-containing chemical liquid is accurately controlled. Additionally, his method for preparing a chemical liquid for treating a film formed on a substrate involves a gas dissolving process. This process adjusts the dissolved oxygen concentration by setting a mixing ratio between the oxygen-containing gas and the inert-gas-containing gas.

Career Highlights

Throughout his career, Okamoto has worked with notable companies, including Screen Holdings Co., Ltd. His experience in the industry has allowed him to develop innovative solutions that address complex challenges in chemical processing.

Collaborations

Okamoto has collaborated with several professionals in his field, including Kenji Kobayashi and Takatoshi Hayashi. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Koichi Okamoto is a distinguished inventor whose work in chemical liquid preparation has led to significant advancements in the field. His innovative patents and collaborations highlight his commitment to improving chemical processing methods.