Rodan-Okaya Tubes

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

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

In 1962 we registered the trademark “Rodan”

Though they themselves used both “Rodan” and “Rodin”.
Datasheets are at the end of this page
CD12 <p>Rodan-Okaya CD12 tube</p>
CD13 <p>The CD13 by Rodan-Okaya. A miniature top-view nixie tube.</p>
CD14 <p>Rodan-Okaya CD14 top-view symbol tube</p>
CD24 <p>A CD24 tube made by Rodan-Okaya.</p>
CD25 <p>Rodan CD25</p>
CD27 <p>The CD27 is the largest top view nixie made by Rodan Okaya - at 54mm, the numerals are larger than the NL7037 and Z568.</p>
CD28 <p>The CD28 is a small nixie tube made by Rodan-Okaya of Japan.</p>
CD47 <p>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.</p>
GR-1 <p>The GR-1 is one of the first nixie tubes made by Rodan-Okaya (the other being the larger <a href="">GR-2</a>). You can see that the lettering on the tube is spelled <em>Rodin</em>, which is typical of the earlier tubes. This tube became the <a href="">GR-201</a> and eventually the CD11.</p>
GR-2 <p>Rodan-Okaya GR-2. Apparently an earlier version of the CD12.</p>
GR-111a <p>The GR-111a is a small side-view nixie tube made by Rodan-Okaya of Japan</p>
GR-115 <p>The GR-115 is a small nixie tube made by Rodan-Okaya.</p>
GR-201 <p>Rodan Okaya GR-201</p>
GR-211 <p>A medium-sized tube manufactured by Rodan-Okaya</p>
GR-524 <p>The GR-524 is an extremely rare symbol tube made by Rodan-Okaya. It shows the abbreviated days of the week in Kanji.</p>
GR-574 <p>The GR-574 is an extremely rare nixie tube made by Rodan-Okaya of Japan.</p>
GR-707 <p>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.</p>
GR-836 <p>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'.</p>
GR-1485 <p>The GR-1485 is a symbol tube made by Rodan-Okaya of Japan. It has the letters A through J</p>
GR-43091 <p>The GR-43091 is a symbol tube made by Rodan-Okaya of Japan. It has the letters A through J</p>
GR-B <p>The Rodan GR-B is an unusual nixie tube. It displays the numbers 0 through 10.</p>
Unknown 1 <p>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</p>

Datasheet for Rodan GR-1, GR-2, GR-3, GR-4, GR-5, GR-6, GR-7, GR-8 and GR-11



Datasheet for Rodan GR-11



Datasheet for Rodan GR-110 and GR-116



Rodan Brochure for CD11, CD12, CD13, CD14, CD15, CD20, CD21, CD22, CD23, CD24, CD25, CD27, CD28, CD38, CD40, CD42, CD43, CD47, CD66, GR-111a, GR-116, GR-110, GR-211, MG-17G, MG-19B, CD78, GR-111pa



Rodan brochure for CD11, CD12, CD13, CD24, CD25, GR-414, GR-211, GR-311, GR-110, GR-116p, GR-111p, CD66p, MG-17G, MG-137, MG-157



Datasheet for Rodan CD11, CD12, CD27, GR-211, GR-311 and GR-414