Company Filing History:

15 out of 42,488

Hitachi, Ltd.

patents

5 out of 1,112

Hitachi Maxell, Limited

patents

1 out of 1

Demix Technology Inc.

patent

4. 1 out of 208

Hitachi Denshi Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1976-1991

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5008581 - Piezoelectric revolving resonator and single-phase ultrasonic motor (1991-04-16),

2. 4947076 - Piezo electric motor (1990-08-07),

3. 4868446 - Piezoelectric revolving resonator and ultrasonic motor (1989-09-19),

4. 4663556 - Torsional mode ultrasonic vibrator (1987-05-05),

5. 4642509 - Ultrasonic motor using bending, longitudinal and torsional vibrations (1987-02-10),

6. 4496247 - Display device with transparent cover as a vibrator of a sound generator (1985-01-29),

7. 4478217 - Laser surgical apparatus (1984-10-23),

8. 4471258 - Piezoelectric ceramic transducer (1984-09-11),

9. 4392747 - Display device structure (1983-07-12),

10. 4367504 - Piezo-electric bimorph type transducer (1983-01-04),

11. 4367426 - Ceramic transparent piezoelectric transducer (1983-01-04),

12. 4352961 - Transparent flat panel piezoelectric speaker (1982-10-05),

13. 4154505 - Electro-optical light shutter device (1979-05-15),

14. 4088391 - Irregular ferroelectric element devised for single domain-wall motion (1978-05-09),

15. 4071841 - Dielectric matrix device (1978-01-31),

Title: Inventor Akio Kumada: Revolutionizing Technology in Kokubunji

Introduction: Akio Kumada is a renowned inventor based in Kokubunji, Japan, known for his groundbreaking contributions to the field of technology.

Latest Patents: Akio Kumada holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative mindset and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Akio Kumada has worked with leading tech companies in Japan, spearheading projects that have led to significant advancements in automation and sustainable energy solutions.

Collaborations: Throughout his career, Akio Kumada has collaborated with top researchers and engineers from prestigious universities and research institutions in Japan, fostering a culture of innovation and knowledge sharing.

Conclusion: Akio Kumada's passion for innovation and his relentless pursuit of technological excellence continue to inspire the next generation of inventors and engineers worldwide.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.