Average Co-Inventor Count = 3.90
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.
Company Filing History:
1. Nkk Corporation (2 from 614 patents)
2. Nec Corporation (1 from 35,734 patents)
3. Fuji Photo Film Company, Limited (1 from 16,458 patents)
4. Mitsubishi Heavy Industries Limited (1 from 4,631 patents)
5. Toyo Ink Manufacturing Company (1 from 223 patents)
6. Nippon Closures Co., Ltd. (1 from 30 patents)
7. Toyo Seikan Group Engineering Co., Ltd. (1 from 3 patents)
8. Jfe Steel Corporation (1,800 patents)
7 patents:
1. 12503362 - Hydrogen release and storage system, hydrogen release and storage method, ammonia production apparatus, gas turbine, fuel cell, and steel mill
2. 11981053 - Compression molding device
3. 6140601 - Laser-welded steel pipe and method therefor
4. 5972087 - Water-based ink-jet recording fluid
5. 5961748 - Laser-welded steel pipe
6. 4959732 - Still video signal playback apparatus for converting an input video
7. 4496435 - Method of manufacturing thin film circuits