Tokyo Ohka Kogyo → Micron Technology
Yes, wafergraph tracks Tokyo Ohka Kogyo as a supplier of Micron Technology, as of 2026-09-16. Micron Technology sources from 170 tracked suppliers in this dataset; Tokyo Ohka Kogyo is positioned as a leader in Materials, so this edge is harder to replace than a challenger or niche supplier.
Data as of 2026-09-16 · relationship type: tracked supplier → customer · both names resolve in companies.json · no dollar amount is shown unless it already sits on a company record, and none is invented here
Why this edge matters
Tokyo Ohka Kogyo (leader in Materials) is a tracked supplier of Micron Technology (major in Memory). Photoresist specialist with leading EUV resist share. Only US-based DRAM/NAND maker; ramping HBM for AI accelerators. The edge is one of 170 tracked suppliers of Micron Technology and one of 8 tracked customers of Tokyo Ohka Kogyo.
Source: derived from both company records and the counted edges.
Concentration / risk note
Tokyo Ohka Kogyo is positioned as a leader in Materials, so this edge is harder to replace than a challenger or niche supplier.
Basis: supplier position. Omitted on edges where the graph does not back a concentration claim.
The two companies
Tokyo Ohka Kogyo (supplier)
Photoresist specialist with leading EUV resist share.
Micron Technology (customer)
Only US-based DRAM/NAND maker; ramping HBM for AI accelerators.
Other tracked suppliers of Micron Technology
Other tracked customers of Tokyo Ohka Kogyo
Cite as: wafergraph, “Tokyo Ohka Kogyo → Micron Technology — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/tok/micron/ (data as of 2026-09-16).
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