D. Okuda was the name of at least three individuals who worked on starship development and construction for both Earth Starfleet and the UFP Starfleet.
D. Okuda (flight software specialist)
In the 2150s, D. Okuda was a Flight Software specialist taking part in the construction of Earth Starfleet starships.
Denise Okuda (UESPA)
In the 2290s, Denise Okuda was a member of UESPA taking part in the construction of Starfleet vessels.
Denise Okuda (Starfleet Science)
In the 2370s, Denise Okuda was a member of Starfleet Science taking part in the construction of Starfleet vessels.
D. Okuda (22nd century) may be an ancestor of Denise Okuda (23rd century), Denise Okuda (24th century), and/or Dr. Michael Okuda (24th century).