Osamu Koseki

This inventor holds 45 USPTO granted patents and 9 published patent applications and 21 EPO patents, primarily in Cell Culture Technology. Top assignees: Sii Printek Inc., Toyo Seikan Group Holdings, Ltd., Seiko Instruments Inc. Active years: 1990-2025.

USPTO Granted Patents = 45 (Patent Applications = 9)

% Patents Active = 48.9

EPO Patents = 21 (Patent Applications = 22)

Average Co-Inventor Count = 1.4

ph-index = 4

Forward Citations = 91(Granted Patents)

Location History:

Chiba, JP (1997 - 2016)
Tokyo, JP (1990 - 2019)

Company Filing History:

Toyo Seikan Group Holdings, Ltd.

patents

6 out of 2,903

Seiko Instruments Inc

patents

4. 2 out of 1,352

The University of Tokyo

patents

where one patent can have more than one assignee

Years Active: 1990-2025

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Areas of Expertise:

Cell Culture

Culture Vessel

Liquid Jet Head

Manufacturing Method

Adherent Cell Culture

Inkjet Head

Transportation Method

Culture Container

Liquid Ejection

Processing Member

Device for Counting

Induction Heating

45 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12497583 - Adherent cell culture substrate, culture vessel, cell detachment method, and method for producing adherent cell culture substrate (2025-12-16),

2. 12391910 - Sphere culture member, culture container, method for processing perforated member, and cleaning container (2025-08-19),

3. 12351787 - Culture container, culture method, and transportation method (2025-07-08),

4. 12258548 - Method for producing culture vessel, and culture vessel (2025-03-25),

5. 12252676 - Cell culture system (2025-03-18),

6. 10450541 - Cell culture apparatus (2019-10-22),

7. 10330585 - Device for counting (2019-06-25),

8. 9736891 - Induction heating container (2017-08-15),

9. 9340024 - Method of manufacturing a liquid jet head (2016-05-17),

10. 9085164 - Liquid jet head and liquid jet apparatus (2015-07-21),

11. 9067413 - Liquid jet head and liquid jet apparatus (2015-06-30),

12. 9021700 - Method of manufacturing liquid jet head, liquid jet head, and liquid jet apparatus (2015-05-05),

13. 9010907 - Liquid jet head, liquid jet apparatus, and method of manufacturing liquid jet head (2015-04-21),

14. 8985745 - Liquid jet head, liquid jet apparatus, and method of manufacturing liquid jet head (2015-03-24),

15. 8827429 - Method of manufacturing liquid jet head, liquid jet head, and liquid jet apparatus (2014-09-09),

Title: Osamu Koseki: Pioneering Inventor from Chiba, Japan

Introduction: Osamu Koseki is a renowned inventor hailing from Chiba, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Osamu Koseki holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Osamu Koseki has worked with leading tech companies and research institutions, consistently pushing the boundaries of what is possible in the realm of technology.

Collaborations: Throughout his career, Osamu Koseki has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity in all his projects.

Conclusion: Osamu Koseki's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of technology, inspiring future generations of inventors to dream big and think outside the box.