Growing community of inventors

Kangasala, Finland

Heikki Nupponen

Average Co-Inventor Count = 4.24

ph-index = 3

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.

Forward Citations = 23

Heikki Nupponen ↔ Esko Pohjala (3 patents)Heikki Nupponen ↔ Kari Lehmussaari (1 patent)Heikki Nupponen ↔ Hannu Hanhijarvi (1 patent)Heikki Nupponen ↔ Ritva Hannuniemi (1 patent)Heikki Nupponen ↔ Jouko Vepsalainen (1 patent)Heikki Nupponen ↔ Jouko Vepsäläinen (1 patent)Heikki Nupponen ↔ Tomi Järvinen (1 patent)Heikki Nupponen ↔ Leena Laurén (1 patent)Heikki Nupponen ↔ Marko Ahlmark (1 patent)Heikki Nupponen ↔ Jouni Kähkönen (1 patent)Heikki NupponenHeikki Nupponen (3 patents)Esko PohjalaEsko Pohjala (7 patents)Kari LehmussaariKari Lehmussaari (6 patents)Hannu HanhijarviHannu Hanhijarvi (3 patents)Ritva HannuniemiRitva Hannuniemi (3 patents)Jouko VepsalainenJouko Vepsalainen (2 patents)Jouko VepsäläinenJouko Vepsäläinen (1 patent)Tomi JärvinenTomi Järvinen (1 patent)Leena LaurénLeena Laurén (1 patent)Marko AhlmarkMarko Ahlmark (1 patent)Jouni KähkönenJouni Kähkönen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Leiras Oy (3 from 40 patents)


3 patents:

1. 6326363 - Methylenebisphosphonic acid derivatives

2. 5776499 - Process for preparing a clodronate preparation

3. 5442101 - Methylenebisphosphonic acid derivatives

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12/11/2025
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