Shigeru Kasai

This inventor holds 16 USPTO granted patents and 17 published patent applications, plus 1 CIPO patent and 5 EPO patents, primarily in Diagnosis Apparatus. Top assignees: Nec Corporation, Nec Tokin Corporation, Nec Tokin Iwate, Ltd.. Active years: 2002-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Kasai. Retrieved from https://idiyas.com/inventor/shigeru-kasai-iccxx73f

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

Calculating rank

USPTO Granted Patents = 16 (Patent Applications = 17)

% Patents Active = 75.0

CIPO Patents = 1

EPO Patents = 5 (Patent Applications = 5)

Average Co-Inventor Count = 3.1

ph-index = 2

Forward Citations = 35(Granted Patents)

Location History:

Ichinoseki, JP (2005)
Iwate, JP (2008)
Tokyo, JP (2002 - 2023)

Company Filing History:

Nec Tokin Corporation

patents

2 out of 7

Nec Tokin Iwate, Ltd.

patents

where one patent can have more than one assignee

Years Active: 2002-2025

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Areas of Expertise:

Bearing Diagnosis

Vehicle Weight Estimation

Damage Diagnosis

Structure Diagnosis

State Estimation

Breakdown Prediction

Vibration Sensor

Electromagnetic Relay

Optical Attenuator

MEMS Switch

Leakage Position Calculation

Assessing Device

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12352653 - Bearing diagnosis apparatus, bearing diagnosis method, and computer readable recording medium (2025-07-08),

2. 12326356 - Vehicle weight estimation apparatus, vehicle weight estimation method, and computer readable recording medium (2025-06-10),

3. 12236777 - Vehicle detection apparatus, method and program (2025-02-25),

4. 12163823 - Weight estimation apparatus, weight estimation method, and computer-readable recording medium (2024-12-10),

5. 12111291 - Structure diagnosis apparatus, structure diagnosis method, and computer-readable recording medium (2024-10-08),

6. 11609149 - State estimation apparatus, state estimation method, and computer-readable recording medium (2023-03-21),

7. 11579040 - Damage diagnosis device, damage diagnosis method, and recording medium in which damage diagnosis program is stored (2023-02-14),

8. 11307175 - Diagnosis apparatus, diagnosis method, and computer-readable recording medium (2022-04-19),

9. 11029231 - Assessing device, assessing system, assessing method, and computer-readable recording medium (2021-06-08),

10. 10119880 - Leakage position calculation device, leakage position calculation method, computer-readable recording medium, vibration calculation device, and computation device (2018-11-06),

11. 8891188 - Breakdown prediction device, breakdown prediction method, and breakdown prediction program (2014-11-18),

12. 8861110 - Failure prediction method and failure prediction system (2014-10-14),

13. 8794073 - Structure for attaching vibration sensor to storage device (2014-08-05),

14. 7372350 - Electromagnetic relay (2008-05-13),

15. 6950596 - Variable optical attenuator (2005-09-27),

Title: **Shigeru Kasai: Pioneering Innovations in Vehicle Detection and Weight Estimation**

Introduction

Shigeru Kasai is a prominent inventor based in Tokyo, Japan, recognized for his contributions in the field of vehicle detection and weight estimation technologies. With an impressive portfolio of 14 patents, Kasai continues to push the boundaries of innovation, developing systems that enhance safety and efficiency in transportation infrastructure.

Latest Patents

Among his latest innovations, Kasai has developed a **Vehicle Detection Apparatus, Method, and Program**. This apparatus features a signal acquisition component that collects oscillation signals from sensors positioned beneath bridge lanes near expansion joints. Utilizing advanced signal processing techniques, the system estimates source oscillation signals, and employs amplitude adjustments to generate precise oscillation signals. The vehicle estimation function harnesses this data to detect and count vehicles traversing the lane of interest.

Another notable invention is the **Weight Estimation Apparatus, Weight Estimation Method, and Computer-Readable Recording Medium**. This apparatus includes an impulsive force calculation unit that measures the vibration response of a structure caused by moving vehicles. The weight estimation unit then applies this data to infer the weight of the moving object, offering a crucial tool for infrastructure monitoring.

Career Highlights

Shigeru Kasai has worked with esteemed companies such as NEC Corporation and NEC Tokin Corporation. His experience in these organizations has significantly contributed to his innovative capabilities, allowing him to develop cutting-edge solutions that address pressing challenges in infrastructure management.

Collaborations

Throughout his career, Kasai has collaborated with notable coworkers like Shohei Kinoshita and Yu Kiyokawa. Their combined expertise has facilitated the creation of groundbreaking technologies that have considerably impacted the field of vehicle detection and structural analysis.

Conclusion

Shigeru Kasai's contributions to technological innovations in vehicle detection and weight estimation represent a significant advancement in the infrastructure sector. His unwavering dedication to research and development, coupled with his collaborative spirit, continues to inspire future innovations that promise to enhance safety and efficiency on our roads.

Profile summary based on public USPTO records.