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Ciolek, T. Matthew. 1995-present. Harada Sogaku, Kuroda-Osaka-Maezumi & Harada-Yasutani Schools of Sotō-Rinzai Zen Buddhism and their Teachers (formerly Sanbo Kyodan: Harada-Yasutani School of Zen Buddhism and its Teachers). Canberra: www.ciolek.com - Asia Pacific Research Online.
http://www.ciolek.com/WWWVLPages/ZenPages/HaradaYasutani.html
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Harada Sogaku, Kuroda-Osaka-Maezumi & Harada-Yasutani
Schools of Sotō-Rinzai Zen Buddhism
and their Teachers
(with some quantitative data and descriptive statistics)

formerly (1995-2024) titled
Sanbo Kyodan: Harada-Yasutani School of Zen Buddhism and its Teachers

Est.: 13 Apr 1995. Title change: 30 Aug 2024; Last updated: 13 Apr 2026.

                                                   SCHOOL Lineages Teachers Est. The School Founder
            Part 1 of 3: The Harada Sogaku (@) Shikantaza+Koan School of Zen Buddhism  
8  34  Est. 1924?, in Tokyo? JP [1129]Harada, Daiun Sogaku (1871-1961)[8].
            Part 2 of 3: The Hakuun Yasutani (&) (aka Harada-Yasutani,
            aka Sanbo Kyodan, aka SanboZen) Shikantaza+Koan School of Zen Buddhism 		65  259  Est. 1954, in Kamakura JP [1073]Yasutani, Hakuun Ryōkō Hakuun (1885-1973) [11]
            Part 3 of 3: The Kuroda-Osaka-Maezumi (#) (aka White Plum Asanga)
            Shikantaza+Koan School of Zen Buddhism 		76  423  Est. 1979, in Los Angeles US [658]Maezumi, Hirotaka Taizan Hakuyū (1931-1995)[217]
            All 3 Schools 149716n/a  n/a  

First elements of the forthcoming descriptive statistics:

Table 1. Numbers of teachers and lineages
in Zen schools that combine Koans and Shikantaza practice
Last updated: 13 Apr 2026.
SCHOOLS
generating Hoshi, Sensei and Roshi level teachers 		TEACHERS
at the Hoshi, Sensei and Roshi levels
SCHOOL Est. Years of
operation
till 2026		 Identified, so far,
teachers from the three
interconnected Schools		 Lineages All teachers with
Dharma heir/heirs
(initiated a lineage)		 Barren
(no Dharma heirs)		 Sustaining
(1 or 2 Dharma heirs)		 Bountiful
(2 < Dharma heirs)
Harada Sogaku 1924? 102 34 (100%) 9 9 (26.5%) 25 (73.5%) 4 (11.8%) 5 (14.7%)
Harada-Yasutani 1954 72 259 (100%) 64 64 (24.7%) 195 (75.3%) 38 (14.7%) 26 (10.0%)
Kuroda-Osaka-Maezumi 1997 47 423 (100%) 76 76 (18.0%) 347 (82.0%) 54 (12.8%) 22 (5.2%)

TOTAL

n/a n/a 716 (100%) 149 (100%) 149 (100%) 567 (79.2%) 96 (39.2%) 93 (29.9%)

MEDIAN

1939 59.5 146.5 36.5 36.5 110 21 13.5
Copyright (c) 2026-present by T. Matthew Ciolek.

I invite - with grateful bows - corrections, updates, addenda and suggestions for improvements - tmciolek, 13 Apr 2026
Granular biographical information, especially dates [preferably in 'dd mm yyyy' format]
of the major milestones in the course of Zen training and the teacher's life and work,
as well as information about online documents with details of Zen groups and centers are enthusiatically welcome.
Please send an email to Dr T. Matthew Ciolek matthew.ciolek@gmail.com

31 years online and counting

This document is a part of the Zen Buddhism section of the Buddhist Studies WWW Virtual Library.

Edited by Dr T. Matthew Ciolek


a work in progress since 13 Apr 1995 - tmc
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Go to Harada Sogaku, Kuroda-Osaka-Maezumi & Harada-Yasutani Schools of Zen Buddhism - References & Footnotes no. 001-200. 
Go to Harada Sogaku, Kuroda-Osaka-Maezumi & Harada-Yasutani Schools of Zen Buddhism - References & Footnotes no. 201-400. 
Go to Harada Sogaku, Kuroda-Osaka-Maezumi & Harada-Yasutani Schools of Zen Buddhism - References & Footnotes no. 401-600. 
Go to Harada Sogaku, Kuroda-Osaka-Maezumi & Harada-Yasutani Schools of Zen Buddhism - References & Footnotes no. 601-800. 
  Go to Harada Sogaku, Kuroda-Osaka-Maezumi & Harada-Yasutani Schools of Zen Buddhism - References & Footnotes no. 801-1000. 
Go to Harada Sogaku, Kuroda-Osaka-Maezumi & Harada-Yasutani Schools of Zen Buddhism - References & Footnotes no. 1001-1200. 
Go to Harada Sogaku, Kuroda-Osaka-Maezumi & Harada-Yasutani Schools of Zen Buddhism - References & Footnotes no. 1201-1400. 
Go to Harada Sogaku, Kuroda-Osaka-Maezumi & Harada-Yasutani Schools of Zen Buddhism - References & Footnotes no. 1401-1600. 

Introductory notes, select Terminology and Acknowledgements

Maintainer: Dr T. Matthew Ciolek (matthew.ciolek@gmail.com)

Copyright (c) 1995-present by T. Matthew Ciolek. This Web page may be linked to any other Web pages. Contents may not be altered.

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