NIHON OFFICE AUTOMATION RESEARCH CO., LTD.

Company Nihon Office Automation Research Co., Ltd.

5241

JP3689510000

IT Services & Consulting

End-of-day quote NAGOYA STOCK EXCHANGE 2026-08-31			5-day change	1st Jan Change
778.00 ^JPY	-0.26%		+1.17%	-21.10%

06-16	Nihon Office Automation Research Co., Ltd.'s Equity Buyback announced on June 15, 2026, has closed with 110,000 shares, representing 6.84% for ¥75.35 million.	CI
06-16	Tranche Update on Nihon Office Automation Research Co., Ltd.'s Equity Buyback Plan announced on June 15, 2026.	CI

Business description: Nihon Office Automation Research Co., Ltd.

Nihon Office Automation Research Co Ltd is engaged in system development business. The Company operates two businesses. The public sector business develops systems for government offices. In the financial and corporate business, engineers are in charge of business and develop systems for banking business such as megabanks, regional banks, and trusts, and insurance business systems such as life insurance and non-life insurance, and securities companies. The Company develops personal financial management systems in the Fintech field. Major systems for public sector include national tax electronic filing and payment system (e-Tax), air traffic control information processing system, comprehensive logistics information platform system (NACCS), and social insurance related systems. The systems for financial and corporate business include banking systems such as megabanks and trust banks, credit card company systems such as banks, credit sales, and distribution systems, among others.

Number of employees: 239

Executive Committee: Nihon Office Automation Research Co., Ltd.

Manager	Title	Age	Since
Hiroaki Okuyama CEO	Chief Executive Officer	71	2023-09-30
Kimihiko Machino DFI	Director of Finance/CFO	64	2020-02-29
Minoru Takeba SAM	Sales & Marketing	-	-
Sakurai Ryo PRN	Corporate Officer/Principal	-	2023-06-30
Takuji Kawahigashi PRN	Corporate Officer/Principal	67	2013-02-28

See NIHON OFFICE AUTOMATION RESEARCH CO., LTD. governance

Composition of the Board of Directors: Nihon Office Automation Research Co., Ltd.

Director	Title	Age	Since
Kimihiko Machino BRD	Director/Board Member	64	2021-02-28
Yoshiki Tsurumaki BRD	Director/Board Member	56	2022-02-28
Hisashi Sekiya BRD	Director/Board Member	54	2013-03-31
Takuji Kawahigashi BRD	Director/Board Member	67	2003-09-30
Hiroaki Okuyama BRD	Director/Board Member	71	2023-09-30
Sakurai Ryo BRD	Director/Board Member	-	2023-06-30
Minoru Takeba BRD	Director/Board Member	-	-

Composition of the Board of Directors

Shareholders: Nihon Office Automation Research Co., Ltd.

Name	Stocks	%	Valuation
Hiroaki Okuyama 50.83 %	817,400	50.83 %	4 M ¥
HIKARI TSUSHIN, INC. 12.37 %	198,900	12.37 %	986 848 ¥
Nobuko Okuyama 12.19 %	196,000	12.19 %	972 460 ¥
NIHON OFFICE AUTOMATION RESEARCH CO., LTD. 6.841 %	110,000	6.841 %	545 768 ¥
Nobuhiro Tamura 2.388 %	38,400	2.388 %	190 523 ¥

List of NIHON OFFICE AUTOMATION RESEARCH CO., LTD. shareholders

Holdings: Nihon Office Automation Research Co., Ltd.

Name	Stocks	%	Valuation
NIHON OFFICE AUTOMATION RESEARCH CO., LTD. 6.84%	110,000	6.84%	545 768 $
NSD CO., LTD. 0%	2,220	0%	39 492 $
COMPUTER INSTITUTE OF JAPAN, LTD. 0.01%	7,200	0.01%	23 333 $
NTT DATA INTRAMART CORPORATION 0%	200	0%	4 013 $
CUBE SYSTEM INC. 0%	200	0%	1 358 $

Company details: Nihon Office Automation Research Co., Ltd.

Nihon Office Automation Research Co. Ltd.

3-2-1 Nishikanda

101-0065, Chiyoda-ku

https://www.noar.co.jp

address Nihon Office Automation Research Co., Ltd.(5241)

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