Registered Tangible Cultural Properties of Japan

The smallest tea room at Ohashi Saryo, Toranomon, Tokyo: 3.5 mats after Oda Urakusai's Joan, with log posts and a shingled eave, linked to Yamabuki. Registered 2006.

An 8-mat tea room on the east side of Ohashi Saryo, Toranomon, Tokyo, praised for sukiya craft, with 11 arrow feathers set by the alcove and the entrance beside it.

A one-metre ridged gate in the central garden of Ohashi Saryo, Toranomon, Tokyo, roofed in cedar bark held with bamboo on slender braced log posts. Registered 2006.

A 1.5-metre ridged gate on the south side of Ohashi Saryo, Toranomon, Tokyo, set back from the edge, with a copper roof, log posts and a diamond-lattice door face.

A 53-metre wall round three sides of Ohashi Saryo, Toranomon, Tokyo: log posts on Oya stone, rendered in mortar, doubling as tea-room walls. Registered 2006.

The Okada Nikki Shonin Memorial Auditorium in Suginami, Tokyo, built in 1937 for a girls' high school, is a concrete hall with tall pilasters and a curved balcony.

Ochanomizu University Front Gate, a 1936 granite-faced gate on Kasuga-dori in Tokyo, keeps its original lamps and wall grilles and is visible from the sidewalk.

Ochanomizu University Auditorium, the 1932 Kiindo hall in the Main Building courtyard in Tokyo, pairs scratch tile with arched windows; open only for public events.

Ochanomizu University Kindergarten Building, a 1931 one-storey concrete kindergarten in Tokyo, keeps stained-glass doors and 3 registered sandpits; not open.

Ochanomizu University Main Building, a 1932 concrete school in Bunkyo, Tokyo, has grape-motif reliefs, a marble checkerboard hall and a History Museum open set days.

The Onko Gakkai Hall in Shibuya, Tokyo, built in 1927 to store some 20,000 woodblocks of the Gunsho Ruiju, is a concrete hall lined with tall buttresses.

The Suigyodo of Ontake Shrine in Ota, Tokyo, built around 1867 for cold-water purification, is a small hall with a well and a carved dragon above its front.

Built in 1928 on the birthplace of Tokyo University, this SRC clubhouse by Toshikata Sano and Teitaro Takahashi served the alumni of Japan's seven former Imperial Universities. A Registered Tangible Cultural Property since 2003 and a Tokyo Metropolitan designation since 2025, it is currently closed for redevelopment until around 2030.

A 1909 wooden library designed by Ministry of Education architect Kuru Masamichi for Gakushuin's Mejiro campus. Registered in 2009, the L-shaped building is rare for its American Stick Style cladding and brackets carved with the school's sakura crest.

Kajikaen Inari Shrine, a c.1955 one-bay shrine in a courtyard of a former inn in Ome, covers 0.36 square meters yet has steps, a carved bracket and a gable.

Kajikaen Keibaian, a c.1930 guest wing at a former inn in Ome, Tokyo, uses its sloping corridor to give each floor its own entrance, with polished-log alcoves.

Kajikaen Sangyoro, a c.1930 hipped-roof guest wing at a former inn in Ome, Tokyo, pairs an outward-facing alcove with large glass shoji framing the Tama River.

Kajikaen Shazanso, a 1930 guest wing and the largest of 8 buildings at a former inn in Ome, has a 51-mat hall, built-in wardrobes and shelves with convex tops.

Kajikaen Large Bathhouse, an early Showa bathhouse at a former inn in Ome, holds a round tiled tub under wide windows, a river-stone rock bath and a wooden tub.

Kajikaen Front Office and Main House (c.1925), by Mitake Station in Ome, held the front desk, kitchen and family rooms; alone of 8 it was listed for landscape.