Average Co-Inventor Count = 3.98
ph-index = 5
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. Tosoh Corporation (5 from 893 patents)
2. Toyo Soda Manufacturing Co., Ltd. (4 from 285 patents)
9 patents:
1. 5321160 - Process for producing an ethylenamine
2. 5248827 - Process for producing an ethylenamine
3. 5001289 - Shaped zeolite catalyst for liquid phase organic reactions
4. 4914247 - Process for preparing para-substituted halogenobenzene derivatives
5. 4861929 - Process for producing halogenated benzene derivative using zeolite
6. 4849560 - Process for preparation of halogenated benzene derivatives
7. 4792644 - Preparation of halogenated benzene derivatives
8. 4528410 - Process for preparation of alcohols by hydration of olefins
9. 3943161 - Process for producing conjugated dienes containing a cyano group