So you are wondering how to improve or sustain innovation performance, especially in comparison to others in your industry?
Conduct an audit. Pick a group of people capable of implementing changes, to map the elements of your operation, the satisfaction with internal and external customers, and set long-term metrics and benchmarks for your organization.
What areas are weak and need help? What areas and people can help others via cross-fertilization of ideas and practices? Does IP get lost in the shuffle? Is the bridge worth building to cross the chasm with marketing?
Optimize the environment and the product introductions take care of themselves.