Average Co-Inventor Count = 4.52
ph-index = 4
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. Shimizu Construction Co., Ltd. (6 from 116 patents)
2. Shin Meiwa Industry Co., Ltd. (2 from 33 patents)
6 patents:
1. 5046910 - Main body structure for underground parking lot and underground parking
2. 5023020 - Method for supplying aromas, apparatus therefore and facilities provided
3. 5000641 - Refuse conveyor system
4. 4995765 - Method of collecting wastes and system therefor
5. 4993882 - Waste collection method
6. 4957190 - Apparatus for conveying refuse containers