Hiroyuki Maki

Chief Executive Officer at BUFFALO INC.

Net worth: 114 M $ as of 2025-12-30

45 year

7 connections

Electronic Technology

Transportation

Technology Services

Profile

Hiroyuki Maki is Executive President, CEO & Representative Director at Buffalo, Inc. since 2025.
Mr. Maki is Independent Outside Director at Kawasaki Kisen Kaisha, Ltd. since 2023.
Mr. Maki is Director at AlphaLeo Capital Advisors Ltd. Mr. Maki is Director at Shimadaya Corp.
since 2022.
Formerly, Mr. Maki was President & Representative Director at Buffalo, Inc. (Aichi).
Formerly, Mr. Maki was Independent Outside Director at Saison Technology Co., Ltd.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
BUFFALO INC. 13.19%	2026-05-19	3,165,000 ( 13.19% )	46 M $	2026-05-30
Ci Medical Co., Ltd. Ci Medical Co., Ltd. Medical DistributorsDistribution Services Engages in development, manufacturing and sales of dental care and oral health products 5.16%	2025-12-04	2,577,500 ( 5.16% )	25 M $	2025-12-30
SHIMADAYA CORPORATION 13.93%	2026-05-12	2,118,800 ( 13.93% )	22 M $	2026-05-30
BASE, INC. 6.47%	2026-05-11	7,633,486 ( 6.47% )	13 M $	2026-05-30
W-SCOPE Corp. W-SCOPE Corp. Containers/PackagingProcess Industries Manufactures and markets separator film for lithium-ion batteries 4.25%	2025-12-04	2,577,500 ( 4.25% )	5 M $	2026-05-30
CrowdWorks, Inc. CrowdWorks, Inc. Personnel ServicesCommercial Services Provides staff matching contracts and human resources management services 6.02%	2026-05-13	952,300 ( 6.02% )	4 M $	2026-05-30
Punch Industry Co., Ltd. Punch Industry Co., Ltd. Industrial MachineryProducer Manufacturing Engages in the manufacture and sale of molds and die components 0.11%	2026-02-09	30,000 ( 0.11% )	97 431 $	2026-05-30

Hiroyuki Maki active positions

Companies	Position	Start
BUFFALO INC.	Chief Executive Officer	2025-03-31
KAWASAKI KISEN KAISHA, LTD.	Director/Board Member	2023-05-31
SHIMADAYA CORPORATION	Director/Board Member	2022-04-30
AlphaLeo Capital Advisors Ltd. AlphaLeo Capital Advisors Ltd. Investment ManagersFinance Provides investment advice	Corporate Officer/Principal	-

All active positions of Hiroyuki Maki

Former positions of Hiroyuki Maki

Companies	Position	End
SAISON TECHNOLOGY CO., LTD.	Director/Board Member	-
Buffalo, Inc. (Aichi) Buffalo, Inc. (Aichi) Computer Processing HardwareElectronic Technology Manufactures and wholesales computer peripherals	President	-

See the detail of Hiroyuki Maki's experience

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Hiroyuki Maki's experience

Connections

1st degree connections

1st degree companies

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Female

Members of the board

Executives

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Linked companies

Private companies	6
Kawasaki Kisen Kaisha, Ltd. Kawasaki Kisen Kaisha, Ltd. Marine ShippingTransportation Operates as a shipping company that engages in car carrier, logistics, sea shipping, containership and dry bulk business activities	Transportation
Melco Holdings, Inc. Melco Holdings, Inc. Computer PeripheralsElectronic Technology Manufactures and distributes digital consumer electronics, computer peripherals and food & provides finance services	Electronic Technology
Saison Technology Co., Ltd. Saison Technology Co., Ltd. Information Technology ServicesTechnology Services Engages in the software package, system development and operational businesses	Technology Services
Buffalo, Inc. (Aichi) Buffalo, Inc. (Aichi) Computer Processing HardwareElectronic Technology Manufactures and wholesales computer peripherals	Electronic Technology
Shimadaya Corp. Shimadaya Corp. Food: Specialty/CandyConsumer Non-Durables Produces frozen and chilled noodles	Consumer Non-Durables
AlphaLeo Capital Advisors Ltd. AlphaLeo Capital Advisors Ltd. Investment ManagersFinance Provides investment advice	Finance