ロダン

Tubes made by Rodan-Okaya. From their web site:

In 1958, they delivered their first number display tube and started production of display discharge tubes GR-1, GR-2.

In 1962 they registered the trademark “Rodan”

Though they themselves used both “Rodan” and “Rodin”.
CD12
CD12

Rodan-Okaya CD12 tube
CD13
CD13

The CD13 by Rodan-Okaya. A miniature top-view nixie tube.
CD14
CD14

Rodan-Okaya CD14 top-view symbol tube
CD24
CD24

A CD24 tube made by Rodan-Okaya.
CD25
CD25

Rodan CD25
CD27
CD27

The CD27 is the largest top view nixie made by Rodan Okaya - at 54mm, the numerals are larger than the NL7037 and Z568.
CD28
CD28

The CD28 is a small nixie tube made by Rodan-Okaya of Japan.
CD47
CD47

The CD47 (GR-414) is the largest tube in the world, with a digit height of 135mm. It was made by Rodan-Okaya of Japan.
GR-1
GR-1

The GR-1 is one of the first nixie tubes made by Rodan-Okaya (the other being the larger GR-2). You can see that the lettering on the tube is spelled Rodin, which is typical of the earlier tubes. This tube became the GR-201 and eventually the CD11.
GR-2
GR-2

Rodan-Okaya GR-2. Apparently an earlier version of the CD12.
GR-111a
GR-111a

The GR-111a is a small side-view nixie tube made by Rodan-Okaya of Japan
GR-115
GR-115

The GR-115 is a small nixie tube made by Rodan-Okaya.
GR-201
GR-201

Rodan Okaya GR-201
GR-211
GR-211

A medium-sized tube manufactured by Rodan-Okaya
GR-524
GR-524

The GR-524 is an extremely rare symbol tube made by Rodan-Okaya. It shows the abbreviated days of the week in Kanji.
GR-574
GR-574

The GR-574 is an extremely rare nixie tube made by Rodan-Okaya of Japan.
GR-707
GR-707

The Rodan-Okaya GR-707. A small top-view nixie tube showing electrical symbols. Clearly intended for use in a multi-meter. This has the unusual feature of a side-nipple. The pin arrangement is also very unusual.
GR-836
GR-836

The Rodan-Okaya GR-836 is a large and extremely rare top-view 'nixie' tube. It has two Japanese symbols, which as far as I can tell mean 'power' and 'on'.
GR-1485
GR-1485

The GR-1485 is a symbol tube made by Rodan-Okaya of Japan. It has the letters A through J
GR-43091
GR-43091

The GR-43091 is a symbol tube made by Rodan-Okaya of Japan. It has the letters A through J
GR-B
GR-B

The Rodan GR-B is an unusual nixie tube. It displays the numbers 0 through 10.
Unknown 1
Unknown 1

This is an unknown Rodan tube that just has the characters 'A' and 'R' in it. It uses the same envelope as the GR-201