I've been writing an article on Tomioka - first and foremost their enlarging and industrial lenses - for quite some time. While a couple of things are still missing or incomplete, I wanted to share the first draft in order to let you know what I was able to gather so far.
There are actually two articles:
1.) THE TOMIOKA STORY
https://deltalenses.com/the-tomioka-story/
a little bit of background in terms of history of Tomioka as a company.
and
2.) TOMIOKA INDUSTRIAL LENSES
https://deltalenses.com/tomioka-industrial-lenses/
an overview of three notable lens families (EXXC minilab lenses, The Osawa Tominon enlarging lenses and the Polaroid MP4/5 macro and repro lenses) + a couple of other Tomioka made industrial lenses I found along the way.
This whole topic has gotten way bigger than I had ever imagined, so please forgive me, if there are still some errors or missing pieces in there.
I'd love to hear what you think about the article, or some of the lenses, if you have some experience with any of them. And if you happen to know some good sources I'm missing, please let me know as well, so I can further refine this write-up!
Here are a couple of sample shots made with these lenses:

Way closer... to Spring by simple.joy, on Flickr

Don't worry, we're just playing ball here! by simple.joy, on Flickr

Bad leather front by simple.joy, on Flickr

Mandatory morning breathing by simple.joy, on Flickr

Bumping heads by simple.joy, on Flickr

Ballways online by simple.joy, on Flickr

Absence can be felt. by simple.joy, on Flickr

My macro swan song by simple.joy, on Flickr

Densely populated by simple.joy, on Flickr

Pretty or just pre-tea? by simple.joy, on Flickr

Silence of the lamps by simple.joy, on Flickr