Average Co-Inventor Count = 2.40
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Finnyards Oy (2 from 2 patents)
2. Kvaerner Masa-yards Oy (1 from 23 patents)
3. Insinooritoimisto Lehtonen & Siirila Oy (1 from 1 patent)
4 patents:
1. 5655472 - Asymmetric bridge
2. 5615630 - Stern arrangement for a ship
3. 5460110 - Method for changing the characteristics of a ship and a hull form of an
4. 5218917 - Icebreaking ship