List of Patents Awarded for Suntheanine^®

1. Compositions for promoting sleep
   Compositions for promoting sleep containing theanine which can be peacefully taken by everyone everyday without any fear of side effects.
    
2. Compositions and method for suppressing behavior problems of pets
   Compositions for suppressing behavior problems of pets, comprising theanine.
    
3. Anxiety Inhibitory Composition
   To obtain an anxiety inhibitory composition comprising theanine as an active ingredient, effective for controlling anxiety caused by a methylxanthine derivative or caffeine.
    
4. Mineral Composition
   To obtain a mineral composition containing theanine, having an improved metallic taste. This mineral composition comprised theanine.
    
5. Compositions for pet food effective for improving palatability
   To obtain a pet food composition having improved palatability by formulating a pet food with theanine.
    
6. Theanine containing composition
   To obtain a composition for inhibiting or remedying symptoms involved in homeostasis depressions including poor circulation, menopausal disorders, sleep disorder and autonomic ataxia by including theanine.
    
7. Premenstrual syndrome depressant composition
   To obtain the subject premenstrual syndrome depressant composition that is effective for inhibiting the symptoms developing as premenstrual syndrome by admixing theanine as an active ingredient thereto.
    
8. Anti-obesity composition
   To obtain and anti-obesity composition for suppressing obesity caused by accumulation of fats and controlling complication-accompanying obesity by a simple intake, this anti-obesity composition comprises theanine.
    
9. Composition comprising theanine
   A composition comprising theanine, which is used for depression and amelioration of the symptom, caused by degradation of homeostatic function, and a mineral composition comprising theanine.
    
10. Production of l-theanine
    To carry out a reaction at a high concentration without using and expensive raw material and efficiently, industrially and advantageously produce L-theanine in yield by making a glutaminase act on a mixture of glutamine with an ethylamine derivative.
     
11. Feed composition and feed
    To obtain a feed composition which has an extremely high effect on noninfectious diseases, the body weight loss by transportation and movement, the deterioration of meat colors the degradation of meat quality, etc.
     
12. Feed composition and feed
    To obtain a feed composition which prevents the noninfectious diarrhea disease by the rapid change n the environment and feed of domestic animals, poultry and pets, malnutrition and the influence of transportation, etc, by incorporating theanine into this feed.
     
13. Flavor improving composition
    A obtain a flavor improving composition useful for a refreshing beverage, a functional beverage, and alcoholic beverage, a health food, a medicine, etc., excellent in safety and palatability, having improving effects on bitterness, acidity and salty taste, containing theanine.
     
14. Humectant and preparation for external use for skin containing the same
    To obtain a preparation for external use for skin, containing a new humectant excellent in moisture retaining property and having low hygroscopic property under high moisture and capable of impairing refreshing feeling to skin by excellent moisture retention.
     
15. Theanine containing composition
    To obtain a composition which has effect of generating the alpha waves and sustaining them and the effect of increasing learning efficiency. This composition contains, as and active ingredient, theanine.
     
16. Production of theanine
    To enable high-yield, high-stability production of theanine which is useful as a food flavor, a palatable component of green tea in an industrial scale.
     
17. Production of theanine
    To industrially and advantageously obtain the subject compound useful as a principal ingredient of flavor in refined green tea.