Growing community of inventors

Hastings, MI, United States of America

Kevin J Longhurst

Average Co-Inventor Count = 4.35

ph-index = 7

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 = 161

Kevin J LonghurstTheodore Q Chau (7 patents)Kevin J LonghurstBrian J Kane (5 patents)Kevin J LonghurstRichard Scott Hand (5 patents)Kevin J LonghurstPeter Nils Skillman (2 patents)Kevin J LonghurstDennis Joseph Boyle (2 patents)Kevin J LonghurstCharles Anthony Seiber (2 patents)Kevin J LonghurstMark T Slager (2 patents)Kevin J LonghurstMichael W Welsh (2 patents)Kevin J LonghurstMichael R Shields (2 patents)Kevin J LonghurstBradley D Youngs (2 patents)Kevin J LonghurstDouglas B MacDonald (2 patents)Kevin J LonghurstRandall P Nelsen (2 patents)Kevin J LonghurstMichael L Waalkes (2 patents)Kevin J LonghurstJoseph Chang (2 patents)Kevin J LonghurstMarcus K Pressnell (2 patents)Kevin J LonghurstRobin Christopher (2 patents)Kevin J LonghurstJohn L McCrackin (2 patents)Kevin J LonghurstMichael A Jourden (2 patents)Kevin J LonghurstDouglas L Scheerhorn (2 patents)Kevin J LonghurstTimothy J Wiersma (2 patents)Kevin J LonghurstKeith L Buffinga (2 patents)Kevin J LonghurstWilliam A Korreck (2 patents)Kevin J LonghurstNiels Joachim Eilmus (2 patents)Kevin J LonghurstPaul J Granzotto (2 patents)Kevin J LonghurstMark D Porter (1 patent)Kevin J LonghurstKevin J Longhurst (10 patents)Theodore Q ChauTheodore Q Chau (9 patents)Brian J KaneBrian J Kane (63 patents)Richard Scott HandRichard Scott Hand (50 patents)Peter Nils SkillmanPeter Nils Skillman (69 patents)Dennis Joseph BoyleDennis Joseph Boyle (54 patents)Charles Anthony SeiberCharles Anthony Seiber (51 patents)Mark T SlagerMark T Slager (39 patents)Michael W WelshMichael W Welsh (32 patents)Michael R ShieldsMichael R Shields (31 patents)Bradley D YoungsBradley D Youngs (26 patents)Douglas B MacDonaldDouglas B MacDonald (25 patents)Randall P NelsenRandall P Nelsen (18 patents)Michael L WaalkesMichael L Waalkes (18 patents)Joseph ChangJoseph Chang (12 patents)Marcus K PressnellMarcus K Pressnell (11 patents)Robin ChristopherRobin Christopher (11 patents)John L McCrackinJohn L McCrackin (5 patents)Michael A JourdenMichael A Jourden (3 patents)Douglas L ScheerhornDouglas L Scheerhorn (3 patents)Timothy J WiersmaTimothy J Wiersma (3 patents)Keith L BuffingaKeith L Buffinga (2 patents)William A KorreckWilliam A Korreck (2 patents)Niels Joachim EilmusNiels Joachim Eilmus (2 patents)Paul J GranzottoPaul J Granzotto (2 patents)Mark D PorterMark D Porter (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Steelcase Inc. (9 from 1,810 patents)

2. Steelcase Development Company (1 from 1 patent)


10 patents:

1. 7837282 - Modular storage system

2. 6942306 - Modular storage system

3. 6513288 - Window assembly for partitions

4. 6276103 - Cover panel brace for partition systems

5. D441563 - Furniture component

6. D437716 - Furniture component

7. 6178702 - Flexible light seal for partition systems

8. 6098358 - Knock-down portable partition system

9. 6058667 - Modular window for partition panels

10. D417015 - Panel trim

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as of
1/5/2026
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