Average Co-Inventor Count = 2.92
ph-index = 6
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. Kyushu Hitachi Maxell, Ltd. (4 from 37 patents)
2. Hitachi Heating Appliances Co., Ltd. (2 from 31 patents)
3. Kyusyu Hitachi Maxwell, Ltd. (1 from 1 patent)
7 patents:
1. D313919 - Microwave oven
2. D306917 - Electric hair trimmer
3. D306777 - Electric shaver
4. D306779 - Electric trimmer
5. D306497 - Electric shaver
6. D304281 - Microwave oven
7. D302742 - Electric dry shaver