Average Co-Inventor Count = 3.39
ph-index = 15
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. Unicharm Corporation (9 from 1,645 patents)
2. Nippon Steel Corporation (4 from 3,562 patents)
3. Dai Nippon Insatsu Kabushiki Kaisha (4 from 412 patents)
4. Dai Nippon Printing Co., Ltd. (3 from 3,202 patents)
5. Japan Tobacco Inc. (1 from 1,040 patents)
6. Dai Nippon Insatsu Kabushiki Kaisha Meiji Milk Products Company Limited (1 from 1 patent)
7. Nippon Steel Sumitomo Metal Corporation (1,102 patents)
21 patents:
1. 8779785 - Water content detection sensor
2. 8567638 - Openable and closable container
3. 8388588 - Urine receiver
4. 8183876 - Water content detection sensor system
5. 8115643 - Excrement detection sensor
6. 7846301 - Method of production of blast furnace coke
7. 7755497 - Urine sensor
8. 7695460 - Negative pressure urine receiver
9. 6655544 - Container with a lid
10. 6604628 - Wet tissue container and combination thereof
11. 6436168 - Treatment process for resins or organic compounds, or waste plastics containing them
12. 6329496 - Method for processing chlorine-containing organic compounds
13. 6142341 - Spout assembly, spout assembly manufacturing apparatus and package with
14. 5911340 - Spout assembly, spout assembly manufacturing apparatus and package with
15. 5069372 - Carton equipped with liquid pouring-out device