Taishō

On Tokyo's Niijima, this 8.4-square-metre Taisho outbuilding holds a stone cooking hearth and a bath, its walls and roof cut from island pumice. Registered 2024.

The former Mitsui Bunko stacks of 1922 in a Shinagawa park, Tokyo, a concrete archive with double walls and floors on bookstack uprights, held Mitsui papers.

The Friends Center in Mita, Tokyo, a missionary house of 1922 by the Vories office with dormers and a brick chimney, is one of few Western houses older than 1923.

Kounji Temple Priests' Quarters in Nakano, Tokyo, is a 1919 kuri with a central corridor, guest and altar rooms and a sukiya-style hojo, registered in 2014.

Kounji Temple Main Gate in Nakano, Tokyo, is a 3.2-meter koraimon gate built in 1914 of fine zelkova, with lattice doors and side walls, and was registered in 2014.

Built in 1925, the National Astronomical Observatory Main Gate has four concrete posts faced in irregular stone, fluted capitals and a lamp over the central opening.

Completed in 1924 at Mitaka in Tokyo, this half-round concrete room holds a French meridian circle of 1903 on a foundation isolated from the building itself.

Standing 100 metres south of the meridian circle at Mitaka in Tokyo, this 1925 concrete box of 7.3 square metres exists to hold a single reference mark.

Completed in 1921, the oldest observing building on the Mitaka campus holds a 20-centimetre Zeiss refractor on a weight-driven mounting under a hand-cranked dome.

Built in 1926 and 19.5 metres tall, this Mitaka dome holds Japan's largest refractor at 65 centimetres and an observing floor that once rose and fell like a lift.

Standing 100 metres north of the meridian circle at Mitaka in Tokyo, this 1925 concrete box of 7.2 square metres is the twin of the mark room to the south.

Built in 1924, the National Astronomical Observatory Guard House is the only timber structure among the ten registered entries on the campus, with half-timbering.

Built in 1925 at Mitaka in Tokyo, this small concrete room has a gable roof on rails that slides open, and now displays the 1880 Repsold transit instrument.

The 1914 main hall of Jōgū-ji, a Pure Land temple in Hiroo, Tokyo, joined Japan's Tangible Cultural Property register in 2017. Its gabled front is the draw.

Jogu-ji's reception annex in Hiroo, Tokyo, dates to around 1914. Registered in 2017, its plain rooms and comb-shaped transom show restrained Taisho temple design.

Built in 1916 as a pawnshop vault, this Yanaka storehouse rises three storeys of clay-plaster construction on a span of just 3.6 metres. Registered in 2000.

The Taisho-era stone wall of Tamura Sake Brewery in Fussa, Tokyo: 145 meters of waist-high river cobbles turning a right-angled corner along the Tamagawa Aqueduct.

Built as the home of Yasui Tetsu, the university's first dean. At 111 sq m it is much the smallest of the seven registered buildings on this campus today.

Home to the university's foreign teaching staff, four units above and shared rooms below. Horizontal eaves and carved capitals show Raymond under Wright.

Completed in 1924 among the earliest buildings on this campus: an E-shaped plan, a hall projecting behind the entrance, and a Wrightian central section.