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For the Inventor, By the Inventor

Kawasaki, Japan

Hiromu Enomoto

This inventor holds 10 USPTO granted patents. Top assignees: Fujitsu Corporation, Kyushu Fujitsu Electronics Limited. Active years: 1981-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromu Enomoto. Retrieved from https://idiyas.com/inventor/hiromu-enomoto

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 5

Forward Citations = 69(Granted Patents)


Location History:

  • Kawasaki, JP (1981 - 1989)
  • Sendai, JP (1989)

Company Filing History:

goldMedal10 out of 39,374 
 
Fujitsu Corporation
 patents
silverMedal1 out of 36 
 
Kyushu Fujitsu Electronics Limited
 patents
where one patent can have more than one assignee

Years Active: 1981-1989

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10 patents (USPTO):Explore Patents
1. 4888623 - Semiconductor device with PN junction isolation for TTL or ECL circuits (1989-12-19),
2. 4883975 - Schmitt trigger circuit (1989-11-28),
3. 4774620 - Logic circuit (1988-09-27),
4. 4703202 - Two-stage gate circuit providing inverted and non-inverted outputs (1987-10-27),
5. 4680600 - Semiconductor device (1987-07-14),
6. 4567380 - Schmitt trigger circuit (1986-01-28),
7. 4449063 - Logic circuit with improved switching (1984-05-15),
8. 4409495 - Schmitt trigger circuit with low input current (1983-10-11),
9. 4388755 - Structure for and method of manufacturing a semiconductor device by the (1983-06-21),
10. 4276556 - Semiconductor device (1981-06-30),

Title: Hiromu Enomoto: Innovator in Semiconductor Technology

Introduction

Hiromu Enomoto is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 10 patents. His work has had a profound impact on the development of electronic circuits and devices.

Latest Patents

Enomoto's latest patents include a semiconductor device with PN junction isolation for TTL or ECL circuits. This innovation addresses the issue of electrostatic breakage in semiconductor devices by forming an impurity region in the epitaxial layer, creating a PN junction with the buried layer. This design connects the impurity region to a power source or ground, enhancing device reliability. Another significant patent is for a Schmitt trigger circuit, which features a first transistor for inversion and a level shift diode that adjusts the emitter voltage. This circuit design allows for effective switching control, ensuring that the second transistor operates correctly based on the output voltage.

Career Highlights

Throughout his career, Enomoto has worked with prominent companies such as Fujitsu Corporation and Kyushu Fujitsu Electronics Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.

Collaborations

Enomoto has collaborated with esteemed colleagues, including Yasushi Yasuda and Akinori Tahara. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Hiromu Enomoto's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the design and functionality of electronic devices today.

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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