Average Co-Inventor Count = 2.47
ph-index = 1
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. Kawasaki Railcar Manufacturing Co., Ltd. (5 from 19 patents)
2. Kawasaki Jukogyo Kabushiki Kaisha (2 from 3,322 patents)
3. Narita Mfg., Ltd. (2 patents)
7 patents:
1. 12241252 - Handrail
2. 12152625 - Fixture
3. 11548538 - Heating floor panel unit and floor structure of railcar
4. 11492025 - Railcar floor structure
5. 11479273 - Handhold device of railcar
6. 9482043 - Hinged door
7. 9302684 - Railcar door apparatus and railcar