ROHM → Robert Bosch
As of 2026-09-05, ROHM is a tracked supplier of Robert Bosch. ROHM is a major in IDM (headquartered in Japan); Robert Bosch is a major in IDM (headquartered in Germany). ROHM has 3 tracked customers; Robert Bosch has 12 tracked suppliers.
Data as of 2026-09-05 · 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
ROHM (major in IDM) is a tracked supplier of Robert Bosch (major in IDM). Japanese power and analog IDM; early mover in SiC devices. Top automotive MEMS sensor maker with growing SiC fab capacity. The edge is one of 12 tracked suppliers of Robert Bosch and one of 3 tracked customers of ROHM.
Source: derived from both company records and the counted edges.
Concentration / risk note
ROHM has only 3 tracked customers in this dataset. Demand-side concentration is high.
Basis: few customers. Omitted on edges where the graph does not back a concentration claim.
The two companies
ROHM (supplier)
Japanese power and analog IDM; early mover in SiC devices.
Robert Bosch (customer)
Top automotive MEMS sensor maker with growing SiC fab capacity.
Other tracked suppliers of Robert Bosch
Other tracked customers of ROHM
Cite as: wafergraph, “ROHM → Robert Bosch — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/rohm/bosch/ (data as of 2026-09-05).
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