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Takashi Iijima

USPTO Granted Patents = 15 (Patent Applications = 5)

CIPO Patents = 8 (Patent Applications = 4)

EPO Patents = 11 (Patent Applications = 15)

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 34(Granted Patents)

Location History:

Futtsu, JP (2017)
Tokyo, JP (1989 - 2024)

Company Filing History:

Nippon Steel Sumitomo Metal Corporation

Nippon Steel Chemical & Material Co., Ltd.

Nippon Steel & Sumikin Chemical Co., Ltd.

4. 2 out of 35,658

Nec Corporation

5. 1 out of 2,630

The Furukawa Electric Co., Ltd.

Nippon Steel & Sumikin Materials Co., Ltd.

where one patent can have more than one assignee

Years Active: 1989-2024

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12142770 - Carbon material for use as catalyst carrier of polymer electrolyte fuel cell and method of producing the same (2024-11-12),

2. 12057589 - Carbon material for catalyst carrier of polymer electrolyte fuel cell and method of producing the same (2024-08-06),

3. 11394034 - Support for polymer electrolyte fuel cell catalyst, method of producing support for polymer electrolyte fuel cell catalyst, catalyst layer for polymer electrolyte fuel cell, and fuel cell (2022-07-19),

4. 11302928 - Carbon material for catalyst carrier of polymer electrolyte fuel cell, and method of producing the same (2022-04-12),

5. 10886539 - Catalyst-carrier carbon material, solid-polymer fuel cell catalyst, solid-polymer fuel cell, and method for manufacturing catalyst-carrier carbon material (2021-01-05),

6. 10103398 - Support carbon material and catalyst for solid polymer type fuel cell use (2018-10-16),

7. 10096837 - Supporting carbon material for solid polymer fuel cell and catalyst metal particle-supporting carbon material (2018-10-09),

8. 10003085 - Carbon support material for solid polymer type fuel cell use and metal catalyst particle- supporting carbon material and methods of production of same (2018-06-19),

9. 9786925 - Fuel cell and fuel cell use gas diffusion electrode (2017-10-10),

10. 9735433 - Fuel cell (2017-08-15),

11. 9718688 - Carbon plate and composite carbon plate (2017-08-01),

12. 8999606 - Solid polymer type fuel cell catalyst, solid polymer type fuel cell electrode, and fuel cell (2015-04-07),

13. 7298123 - Apparatus and circuit for power supply, and apparatus for controlling large current load (2007-11-20),

14. 5044000 - Driving method of solid-state imaging device for improving smear (1991-08-27),

15. 4866740 - Frequency divider of pulses using ring-counters (1989-09-12),

Title: Takashi Iijima: Pioneering Inventor from Tokyo

Introduction: Takashi Iijima is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Takashi Iijima holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Takashi Iijima has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Takashi Iijima has collaborated with top researchers, engineers, and scientists both in Japan and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Takashi Iijima's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a trailblazer in the world of inventions.

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