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For the Inventor, By the Inventor

Utsunomiya, Japan

Makoto Ishii

This inventor holds 11 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1993-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Ishii. Retrieved from https://idiyas.com/inventor/makoto-ishii-toz4oy2c

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 72.7

Average Co-Inventor Count = 5.2

ph-index = 11

Forward Citations = 357(Granted Patents)


Company Filing History:

goldMedal11 out of 42,752 
 
Hitachi, Ltd.
 patents

Years Active: 1993-2003

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11 patents (USPTO):Explore Patents
1. 6642681 - Starting control method of and control apparatus for synchronous motor, and air conditioner, refrigerator, washing machine and vacuum cleaner each provided with the control apparatus (2003-11-04),
2. 6626002 - Controller for PWM/PAM motor, air conditioner, and method of motor control (2003-09-30),
3. 6603280 - Motor controller (2003-08-05),
4. 6479956 - Brushless motor control device and equipment using the control device (2002-11-12),
5. 6367273 - Refrigerator (2002-04-09),
6. 6291880 - Semiconductor device including an integrally molded lead frame (2001-09-18),
7. 6244061 - Refrigerator (2001-06-12),
8. 6198240 - Motor controller (2001-03-06),
9. 6075328 - PWM/PAM control mode switching type motor control apparatus, and motor (2000-06-13),
10. 5929591 - Air conditioner (1999-07-27),
11. 5245522 - Power supply controlled to supply load current formed as sine wave (1993-09-14),

Title: Makoto Ishii - Innovative Inventor from Utsunomiya

Introduction: Makoto Ishii is a renowned inventor hailing from Utsunomiya, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Makoto Ishii holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous innovation and forward-thinking approach.

Career Highlights: With over two decades of experience in the industry, Makoto Ishii has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we approach complex challenges.

Collaborations: Throughout his career, Makoto Ishii has collaborated with top companies and experts in the field, fostering a culture of creativity and excellence that has led to numerous successful projects and inventions.

Conclusion: Makoto Ishii's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology and inspiring the next generation of inventors.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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