Law school · thin NY alumni set

Keio University Law School

5 NY-registered attorneys from Keio University Law School, including Mio Hagino, Eitaro Hidaka, Steven Arthur Schaefer, Yasunao Shibata, and Hideki Usui; Chiyoda, Tokyo 100-8903 appears most.

5
NY alumni (thin set)
80.0%
still active
Chiyoda, Tokyo 100-8903
largest office city

Keio University Law School: Mio Hagino and 4 other NY-registered alumni

This page covers 5 NY OCA rows for Keio University Law School, including Mio Hagino, Eitaro Hidaka, Steven Arthur Schaefer, Yasunao Shibata, and Hideki Usui.

4 (80.0%) remain active; Chiyoda, Tokyo 100-8903 appears most often (1); newest admission year 2026.

Every Keio University Law School alumnus on this register

Name Status
Mio Hagino Currently registered
Eitaro Hidaka Currently registered
Steven Arthur Schaefer Currently registered
Yasunao Shibata Due to reregister within 30 days of birthday
Hideki Usui Currently registered

Status on a thin alumni set

Currently registered 4 (80.0%)
Due to reregister within 30 days of birthday 1 (20.0%)

Cities that appear at all

CHIYODA, TOKYO 100-8903, 1
LOS ANGELES, CA 1
TOKYO, 1

Recent NY admissions

Class of 2026 1 admitted
Class of 2024 2 admitted
Class of 2022 1 admitted
Class of 2020 1 admitted

Questions this small set can answer

Who from Keio University Law School appears on the NY register?

Named on this page: Mio Hagino, Eitaro Hidaka, Steven Arthur Schaefer, Yasunao Shibata, and Hideki Usui. In total 5 NY OCA rows list Keio University Law School; 4 (80.0%) are currently active.

Which city shows up most for these Keio University Law School rows?

Chiyoda, Tokyo 100-8903 appears on 1 of the 5 records (20%). With a thin set, one attorney moves the share a lot.

Nationwide law schools with similar NY alumni volume or active rate

ALUMNI 5 ACTIVE 80.0% VITAL-REG VOL-AXIS RATE-AXIS

Two non-geo peer axes for Keio University Law School: closest NY OCA alumni volume, and closest share of currently-registered alumni. Distinct from the high-volume ladder below.

Counts and active rates come from the NY State Office of Court Administration registration extract; peers are not a bar-exam quality or employment ranking.

Schools near Keio University Law School on the NY register

Other thin-to-mid NY alumni schools near this page include New York University School Of Law.

Side-by-side: Keio University Law School vs New York University School Of Law →

Source, verification & disclosure

Disclaimer: This data is sourced from public state bar registration records. PlainAttorney does not provide legal advice or endorsements. Always verify attorney credentials directly with the relevant state bar.

Source: NY Office of Court Administration via data.ny.gov - attorney registration dataset · as of September 2026.

Verification: NY Courts Attorney Registration Search.