Average Co-Inventor Count = 5.83
ph-index = 2
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. Japan Tobacco Inc. (1 from 1,038 patents)
2. Topy Industries, Ltd. and Japan Tobacco, Inc. (1 from 1 patent)
2 patents:
1. 4877909 - Process for reducing aldehydes or ketones
2. 4845065 - Carbon monoxide oxidizing catalyst