Tokyo, Japan

Hiroshi Saito

This inventor holds 75 USPTO granted patents and 10 published patent applications and 28 EPO patents, primarily in Information Processing Systems (CPC class A63F). Top assignees: Kabushiki Kaisha Toshiba, Sony Interactive Entertainment Inc., Ihi Corporation. Active years: 1983-2025.

USPTO Granted Patents = 75 

% Patents Active = 72.0

 

Average Co-Inventor Count = 3.3

ph-index = 14

Forward Citations = 898(Granted Patents)

Forward Citations (Not Self Cited) = 886(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal10 out of 53,226 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal6 out of 3,320 
 
Sony Interactive Entertainment Inc.
 patents
bronzeMedal5 out of 1,191 
 
Ihi Corporation
 patents
4. 5 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
5. 5 out of 487 
 
Nippon Kokan Kabushiki Kaisha
 patents
6. 4 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
7. 4 out of 58,144 
 
Sony Corporation
 patents
8. 3 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
9. 3 out of 194 
 
Tamura Corporation
 patents
10. 2 out of 2 
 
Communication Architecture and Building Research Corporation
 patents
11. 2 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents
12. 2 out of 1,328 
 
Japan Science and Technology Agency
 patents
13. 2 out of 522 
 
Nippon Telegraph and Telephone Public Corporation
 patents
14. 2 out of 4 
 
Sho-Bond Construction Co., Ltd.
 patents
15. 2 out of 30 
 
Wakunaga Pharmaceutical Co., Ltd.
 patents
16. 1 out of 347 
 
Ablic Inc.
 patents
17. 1 out of 53 
 
Amada Metrecs Co., Ltd.
 patents
18. 1 out of 5,234 
 
Casio Computer Co., Ltd.
 patents
19. 1 out of 1 
 
Daisan Kogyo Co., Ltd.
 patent
20. 1 out of 53 
 
Freund Industrial Co., Ltd.
 patents
21. 1 out of 42,717 
 
Hitachi, Ltd.
 patents
22. 1 out of 7 
 
Humming Heads Inc.
 patents
23. 1 out of 50 
 
Ihi Aerospace Co., Ltd.
 patents
24. 1 out of 99 
 
Kabushiki Kaisha Ace Denken
 patents
25. 1 out of 185 
 
Kyorin Pharmaceutical Co., Ltd.
 patents
26. 1 out of 5 
 
Minophagen Pharmaceutical Co., Ltd.
 patents
27. 1 out of 303 
 
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
 patents
28. 1 out of 73 
 
Mitsubishi Pharma Corporation
 patents
29. 1 out of 3 
 
Nhk Engineering Services, Inc.
 patents
30. 1 out of 256 
 
Nichias Corporation
 patents
31. 1 out of 273 
 
Nippon Mektron Limited
 patents
32. 1 out of 3 
 
Nitto Chemical Industries Co., Ltd.
 patents
33. 1 out of 161 
 
Nitto Chemical Industry Co., Ltd.
 patents
34. 1 out of 16,454 
 
Panasonic Corporation
 patents
35. 1 out of 1,961 
 
Showa Denko K.k.
 patents
36. 1 out of 131 
 
Sinfonia Technology Co., Ltd.
 patents
37. 1 out of 8 
 
Soken Kagaku Kabushiki Kaisha
 patents
38. 1 out of 129 
 
Sumitomo Precision Products Co., Ltd.
 patents
39. 1 out of 1,769 
 
Taiyo Yuden Co., Ltd.
 patents
40. 1 out of 1 
 
Taiyo Yuden Kabushikigaisha
 patent
41. 1 out of 126 
 
Teijin Pharma Limited
 patents
42. 1 out of 503 
 
Thk Co., Ltd.
 patents
43. 2 out of 834,350 
Other
 patents
where one patent can have more than one assignee

Years Active: 1983-2025

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Areas of Expertise:
Information Processing
DC-DC Converter
Friction Stir Welding
Semiconductor Device
Centrifugal Compressor
Charge Control Circuit
Virtual Guest Management
Mixed-Flow Turbine
Throttle Mechanism
Wristband Device
Heating Method
Power Supply
75 patents (USPTO):Explore Patents

Title: Innovations and Achievements of Hiroshi Saito

Introduction

Hiroshi Saito, a prominent inventor based in Tokyo, Japan, holds an impressive portfolio of 73 patents. His innovative contributions span across various fields, showcasing his expertise and dedication to technological advancement.

Latest Patents

Among his latest inventions are a "Projection Processing Device" and a "Mixed-Flow Turbine Wheel". The projection processing device features a processor control unit that efficiently acquires projection position information in response to user input. It instructs a projector to emit light, facilitating image projection to help users easily identify the specified position. On the other hand, the mixed-flow turbine wheel incorporates a plurality of rotor blades arranged on the hub's circumferential surface. These blades are ingeniously designed to enhance functionality, with sensor detection surfaces that can be identified by optical sensor devices, paving the way for advanced applications in turbine technology.

Career Highlights

Hiroshi Saito has made significant strides during his career, having worked with major companies such as Toshiba Corporation and Matsushita Electric Industrial Co., Ltd. His tenure at these organizations has allowed him to apply his inventive spirit in developing technologies that address contemporary needs and challenges.

Collaborations

Throughout his career, Hiroshi has collaborated with notable individuals, including Yuichi Goto and Takuya Ishii. These partnerships have enriched his projects, bringing together diverse expertise that enhances the impact of their collective inventions.

Conclusion

Hiroshi Saito's contributions to the world of innovation are substantial. His extensive patent portfolio and collaborations with industry leaders highlight his commitment to advancing technology. As he continues to develop groundbreaking inventions, Hiroshi's influence is undoubtedly set to inspire future generations of inventors and innovators.

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